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      "liveUrl": "https://www.anchorterminal.com/api/v1/live/mailrith.json",
      "markdownUrl": "https://www.anchorterminal.com/tools/mailrith.md",
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            "note": 0,
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              "fix": "Declare the properties (or additionalProperties with a schema) and the array's items."
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              "fix": "Inline the referenced schemas. Pydantic and zod-to-json-schema emit $defs for nested models; most can be told not to."
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              "rule": "TC15",
              "severity": "warn",
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              "message": "inputSchema uses $ref/$defs",
              "fix": "Inline the referenced schemas. Pydantic and zod-to-json-schema emit $defs for nested models; most can be told not to."
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              "rule": "TC15",
              "severity": "warn",
              "tool": "automations_send_test",
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              "severity": "warn",
              "tool": "automations_update",
              "message": "inputSchema uses $ref/$defs",
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              "rule": "TC15",
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              "rule": "TC15",
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              "tool": "email_templates_update",
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              "tool": "subscribers_upsert",
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              "severity": "warn",
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              "severity": "warn",
              "tool": "subscribers_add_tag",
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              "tool": "tags_list",
              "message": "described almost the same as segments_list (83% of the same words)",
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              "tool": "broadcasts_unschedule",
              "message": "the definition is about 2,675 tokens",
              "fix": "Trim the description and parameter docs, or split the tool."
            },
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              "tool": "broadcasts_update",
              "message": "the definition is about 4,572 tokens",
              "fix": "Trim the description and parameter docs, or split the tool."
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              "rule": "TC22",
              "severity": "warn",
              "tool": "discovery_get_capabilities",
              "message": "the definition is about 2,694 tokens",
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              "rule": "TC22",
              "severity": "warn",
              "tool": "email_templates_create",
              "message": "the definition is about 3,197 tokens",
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              "rule": "TC22",
              "severity": "warn",
              "tool": "email_templates_get",
              "message": "the definition is about 2,024 tokens",
              "fix": "Trim the description and parameter docs, or split the tool."
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              "message": "the definition is about 1,512 tokens",
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              "fix": "Trim the description and parameter docs, or split the tool."
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              "rule": "TC23",
              "severity": "warn",
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              "fix": "Split the server by job, or offer a smaller default toolset (a read-only set, or a search-then-call pattern)."
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        "status": "ok",
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                                  "type": "string"
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                                "rotated"
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                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getWorkspace",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Workspace"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get the current workspace"
            }
          },
          {
            "name": "sender_identities_list",
            "title": "List sender identities",
            "description": "Returns a bounded page of enabled sender names, addresses, and provider types that can be selected for Broadcasts and Sequences. Provider credentials and configuration are never returned. Permission: workspace:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum number of sender identities to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "starting_after": {
                  "description": "Opaque next_cursor returned by the previous sender identity page.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                },
                "SenderIdentity": {
                  "additionalProperties": false,
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "format": "email",
                      "type": "string"
                    },
                    "from_name": {
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "provider": {
                      "description": "The configured email delivery provider. No provider credentials or configuration are returned.",
                      "type": "string"
                    },
                    "ready_for_selection": {
                      "description": "True because this read returns only enabled sender identities linked to the current workspace.",
                      "enum": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "provider",
                    "from_name",
                    "from_email",
                    "ready_for_selection",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listSenderIdentities",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/SenderIdentity"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List sender identities"
            }
          },
          {
            "name": "sender_identities_get",
            "title": "Get a sender identity",
            "description": "Returns one enabled sender name, address, and provider type by stable identifier. Provider credentials and configuration are never returned. Permission: workspace:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "sender_identity_id": {
                  "description": "The sender identity identifier.",
                  "type": "string"
                }
              },
              "required": [
                "sender_identity_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "SenderIdentity": {
                  "additionalProperties": false,
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "format": "email",
                      "type": "string"
                    },
                    "from_name": {
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "provider": {
                      "description": "The configured email delivery provider. No provider credentials or configuration are returned.",
                      "type": "string"
                    },
                    "ready_for_selection": {
                      "description": "True because this read returns only enabled sender identities linked to the current workspace.",
                      "enum": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "provider",
                    "from_name",
                    "from_email",
                    "ready_for_selection",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getSenderIdentity",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/SenderIdentity"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get a sender identity"
            }
          },
          {
            "name": "analytics_create_report",
            "title": "Create or reuse an analytics report",
            "description": "Runs from compact rollups. Ranges through 31 days complete inline; longer ranges are queued. Results expire after 24 hours and never exceed 100 rows. Effect: workspace-change. Retry with the same idempotency_key. Permission: analytics:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AnalyticsReportCreateRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "compare_previous": {
                      "default": true,
                      "type": "boolean"
                    },
                    "from": {
                      "format": "date",
                      "type": "string"
                    },
                    "group_by": {
                      "items": {
                        "enum": [
                          "source_type",
                          "source",
                          "message",
                          "provider",
                          "day"
                        ],
                        "type": "string"
                      },
                      "maxItems": 2,
                      "type": "array"
                    },
                    "source_ids": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "source_types": {
                      "items": {
                        "enum": [
                          "broadcast",
                          "sequence",
                          "automation"
                        ],
                        "type": "string"
                      },
                      "maxItems": 3,
                      "type": "array"
                    },
                    "to": {
                      "format": "date",
                      "type": "string"
                    }
                  },
                  "required": [
                    "from",
                    "to"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/AnalyticsReportCreateRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AnalyticsReport": {
                  "additionalProperties": true,
                  "description": "A 24-hour cached report with at most 100 aggregate rows, explicit definitions, freshness, attribution, and optional previous-period comparison.",
                  "properties": {
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "createAnalyticsReport",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "anyOf": [
                    {
                      "properties": {
                        "data": {
                          "$ref": "#/$defs/AnalyticsReport"
                        }
                      },
                      "required": [
                        "data"
                      ],
                      "type": "object"
                    },
                    {
                      "properties": {
                        "data": {
                          "$ref": "#/$defs/AnalyticsReport"
                        }
                      },
                      "required": [
                        "data"
                      ],
                      "type": "object"
                    }
                  ]
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": false,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Create or reuse an analytics report"
            }
          },
          {
            "name": "analytics_get_report",
            "title": "Get an analytics report",
            "description": "Returns one unexpired bounded analytics report by identifier. Permission: analytics:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum aggregate row count, from 1 to 50.",
                  "maximum": 50,
                  "minimum": 1,
                  "type": "integer"
                },
                "report_id": {
                  "description": "Stable analytics report identifier.",
                  "type": "string"
                },
                "starting_after": {
                  "description": "Opaque next_cursor returned by the previous report page.",
                  "type": "string"
                }
              },
              "required": [
                "report_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AnalyticsReport": {
                  "additionalProperties": true,
                  "description": "A 24-hour cached report with at most 100 aggregate rows, explicit definitions, freshness, attribution, and optional previous-period comparison.",
                  "properties": {
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getAnalyticsReport",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/AnalyticsReport"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get an analytics report"
            }
          },
          {
            "name": "subscribers_list",
            "title": "List subscribers",
            "description": "Returns subscribers in the authenticated workspace, sorted from newest to oldest. Permission: subscribers:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "cold_only": {
                  "description": "When `true`, return only cold subscribers.",
                  "type": "boolean"
                },
                "email": {
                  "description": "Filter subscribers by an exact subscriber email address.",
                  "format": "email",
                  "type": "string"
                },
                "limit": {
                  "description": "Maximum number of subscribers to return. Defaults to 25 and is capped at 100.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter subscribers by name, email, or status.",
                  "type": "string"
                },
                "sequence_id": {
                  "description": "Return subscribers that match this sequence ID. Repeat `sequence_id` or use `sequence_ids` to match any of several sequences.",
                  "type": "string"
                },
                "sequence_ids": {
                  "description": "Comma-separated sequence IDs. By default, the API returns only subscribers who are active in any listed sequence.",
                  "type": "string"
                },
                "sequence_operator": {
                  "default": "is_active_in_any_of",
                  "description": "Controls how sequence filters are applied. Defaults to `is_active_in_any_of`.",
                  "enum": [
                    "is_active_in_any_of",
                    "is_not_active_in_any_of",
                    "has_completed_any_of",
                    "has_not_completed_any_of",
                    "has_ever_been_in_any_of",
                    "has_never_been_in_any_of"
                  ],
                  "type": "string"
                },
                "starting_after": {
                  "description": "Use the opaque cursor from the previous page to request the next page.",
                  "type": "string"
                },
                "status": {
                  "description": "Filter subscribers by subscriber status.",
                  "enum": [
                    "Active",
                    "Unconfirmed",
                    "Unsubscribed",
                    "Complained",
                    "Bounced",
                    "Blocked"
                  ],
                  "type": "string"
                },
                "tag_id": {
                  "description": "Return subscribers that currently have this tag ID. Repeat `tag_id` or use `tag_ids` to match any of several tags.",
                  "type": "string"
                },
                "tag_ids": {
                  "description": "Comma-separated tag IDs. By default, the API returns subscribers who have any listed tag.",
                  "type": "string"
                },
                "tag_operator": {
                  "default": "has_any_of",
                  "description": "Controls how tag filters are applied. Defaults to `has_any_of`.",
                  "enum": [
                    "has_any_of",
                    "has_none_of"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                },
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listSubscribers",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/Subscriber"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List subscribers"
            }
          },
          {
            "name": "subscribers_get",
            "title": "Get a subscriber",
            "description": "Returns one Subscriber by its stable identifier from the authenticated workspace. Permission: subscribers:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "subscriber_id": {
                  "description": "The Subscriber identifier.",
                  "type": "string"
                }
              },
              "required": [
                "subscriber_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getSubscriber",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Subscriber"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get a subscriber"
            }
          },
          {
            "name": "subscribers_upsert",
            "title": "Create or upsert a subscriber",
            "description": "Creates a new subscriber when the email does not exist in the workspace. If the email already exists, the API updates the existing subscriber unless create_only is true. Effect: external-email. Retry with the same idempotency_key. Permissions: live_actions:write, subscribers:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "ConsentEvidence": {
                  "additionalProperties": false,
                  "description": "Compact evidence required when the public API makes a Subscriber Active. Keep raw consent text, IP addresses, and user-agent data in your evidence system; Mailrith stores only this version, reference, URL, and optional SHA-256 digest.",
                  "properties": {
                    "collected_at": {
                      "description": "When the consent evidence was collected, as ISO 8601 with an explicit UTC offset. This must not be later than Mailrith's server time. Do not treat a workspace-local clock as UTC; use the evidence record's confirmed timestamp.",
                      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|[+-](?:[01]\\d|2[0-3]):[0-5]\\d)$",
                      "type": "string"
                    },
                    "consent_text_version": {
                      "anyOf": [
                        {
                          "maxLength": 128,
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "evidence_reference": {
                      "maxLength": 512,
                      "type": "string"
                    },
                    "lawful_basis": {
                      "maxLength": 64,
                      "type": "string"
                    },
                    "source_url": {
                      "anyOf": [
                        {
                          "format": "uri",
                          "maxLength": 2048,
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "technical_evidence_hash": {
                      "anyOf": [
                        {
                          "pattern": "^[a-f0-9]{64}$",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "lawful_basis",
                    "collected_at",
                    "evidence_reference"
                  ],
                  "type": "object"
                },
                "SubscriberUpsertRequest": {
                  "example": {
                    "country": "DE",
                    "custom_fields": {
                      "cf_company": "Analytical Engines"
                    },
                    "email": "ada@example.com",
                    "name": "Ada Lovelace",
                    "status": "Unconfirmed"
                  },
                  "examples": [
                    {
                      "country": "DE",
                      "custom_fields": {
                        "cf_company": "Analytical Engines"
                      },
                      "email": "ada@example.com",
                      "name": "Ada Lovelace",
                      "status": "Unconfirmed"
                    }
                  ],
                  "properties": {
                    "consent_evidence": {
                      "$ref": "#/$defs/ConsentEvidence"
                    },
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "create_only": {
                      "description": "When true, Mailrith returns a 409 conflict instead of updating an existing subscriber with the same email.",
                      "type": "boolean"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "description": "Custom field values keyed by custom field ID. For Multi Select fields, send an array of option names or a comma-separated string. Blank optional values leave saved values unchanged when updating an existing subscriber, and filled-in invalid values are rejected.",
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_on": {
                      "description": "Subscriber-local subscription date in YYYY-MM-DD format.",
                      "example": "2026-04-11",
                      "examples": [
                        "2026-04-11"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SubscriberUpsertRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "upsertSubscriber",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "anyOf": [
                    {
                      "properties": {
                        "data": {
                          "$ref": "#/$defs/Subscriber"
                        }
                      },
                      "required": [
                        "data"
                      ],
                      "type": "object"
                    },
                    {
                      "properties": {
                        "data": {
                          "$ref": "#/$defs/Subscriber"
                        }
                      },
                      "required": [
                        "data"
                      ],
                      "type": "object"
                    }
                  ]
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": false,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Create or upsert a subscriber"
            }
          },
          {
            "name": "subscribers_update",
            "title": "Update a subscriber",
            "description": "Updates profile fields, status, custom fields, tags, or sequence assignments for one subscriber. Fields omitted from the request stay unchanged. Blank optional custom field values also leave saved values unchanged, and filled-in invalid values are rejected. Effect: subscriber-change. Retry after reading the current resource state. Permission: subscribers:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "SubscriberUpdateRequest": {
                  "example": {
                    "country": "DE",
                    "custom_fields": {
                      "cf_company": "Analytical Engines"
                    },
                    "name": "Ada Lovelace"
                  },
                  "examples": [
                    {
                      "country": "DE",
                      "custom_fields": {
                        "cf_company": "Analytical Engines"
                      },
                      "name": "Ada Lovelace"
                    }
                  ],
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "description": "Custom field values keyed by custom field ID. For Multi Select fields, send an array of option names or a comma-separated string. Blank optional values leave saved values unchanged, and filled-in invalid values are rejected.",
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "subscribed_on": {
                      "description": "Subscriber-local subscription date in YYYY-MM-DD format.",
                      "example": "2026-04-11",
                      "examples": [
                        "2026-04-11"
                      ],
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SubscriberUpdateRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "subscriber_id": {
                  "description": "The subscriber identifier.",
                  "type": "string"
                }
              },
              "required": [
                "subscriber_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateSubscriber",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Subscriber"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Update a subscriber"
            }
          },
          {
            "name": "subscribers_update_status",
            "title": "Change Subscriber sending eligibility",
            "description": "Changes the delivery status for one Subscriber without changing profile, targeting, or Sequence enrollment fields. Making a Subscriber Active requires consent_evidence; its collected_at value must include the correct UTC offset and must not be later than Mailrith's server time. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, subscribers:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "ConsentEvidence": {
                  "additionalProperties": false,
                  "description": "Compact evidence required when the public API makes a Subscriber Active. Keep raw consent text, IP addresses, and user-agent data in your evidence system; Mailrith stores only this version, reference, URL, and optional SHA-256 digest.",
                  "properties": {
                    "collected_at": {
                      "description": "When the consent evidence was collected, as ISO 8601 with an explicit UTC offset. This must not be later than Mailrith's server time. Do not treat a workspace-local clock as UTC; use the evidence record's confirmed timestamp.",
                      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|[+-](?:[01]\\d|2[0-3]):[0-5]\\d)$",
                      "type": "string"
                    },
                    "consent_text_version": {
                      "anyOf": [
                        {
                          "maxLength": 128,
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "evidence_reference": {
                      "maxLength": 512,
                      "type": "string"
                    },
                    "lawful_basis": {
                      "maxLength": 64,
                      "type": "string"
                    },
                    "source_url": {
                      "anyOf": [
                        {
                          "format": "uri",
                          "maxLength": 2048,
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "technical_evidence_hash": {
                      "anyOf": [
                        {
                          "pattern": "^[a-f0-9]{64}$",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "lawful_basis",
                    "collected_at",
                    "evidence_reference"
                  ],
                  "type": "object"
                },
                "SubscriberStatusRequest": {
                  "properties": {
                    "consent_evidence": {
                      "$ref": "#/$defs/ConsentEvidence"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "status"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SubscriberStatusRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "subscriber_id": {
                  "description": "The Subscriber identifier.",
                  "type": "string"
                }
              },
              "required": [
                "subscriber_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateSubscriberStatus",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Subscriber"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Change Subscriber sending eligibility"
            }
          },
          {
            "name": "subscribers_add_tag",
            "title": "Add a Tag to a Subscriber",
            "description": "Adds the selected Tag to a Subscriber. If the Subscriber already has the Tag, the API returns the Subscriber unchanged. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, subscribers:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "subscriber_id": {
                  "description": "The Subscriber identifier.",
                  "type": "string"
                },
                "tag_id": {
                  "description": "The Tag identifier.",
                  "type": "string"
                }
              },
              "required": [
                "subscriber_id",
                "tag_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "addSubscriberTag",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Subscriber"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Add a Tag to a Subscriber"
            }
          },
          {
            "name": "subscribers_remove_tag",
            "title": "Remove a tag from a subscriber",
            "description": "Removes the selected tag from a subscriber. If the subscriber does not have the tag, the API returns the subscriber unchanged. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, subscribers:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "subscriber_id": {
                  "description": "The subscriber identifier.",
                  "type": "string"
                },
                "tag_id": {
                  "description": "The tag identifier.",
                  "type": "string"
                }
              },
              "required": [
                "subscriber_id",
                "tag_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "removeSubscriberTag",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Subscriber"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Remove a tag from a subscriber"
            }
          },
          {
            "name": "subscribers_add_to_sequence",
            "title": "Add a subscriber to a sequence",
            "description": "Adds the selected subscriber to the selected sequence. If the subscriber is already in the sequence, the API returns the subscriber unchanged. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, subscribers:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "sequence_id": {
                  "description": "The sequence identifier.",
                  "type": "string"
                },
                "subscriber_id": {
                  "description": "The subscriber identifier.",
                  "type": "string"
                }
              },
              "required": [
                "subscriber_id",
                "sequence_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "addSubscriberSequence",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Subscriber"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Add a subscriber to a sequence"
            }
          },
          {
            "name": "subscribers_remove_from_sequence",
            "title": "Remove a subscriber from a sequence",
            "description": "Removes the selected subscriber from the selected sequence. If the subscriber is not in the sequence, the API returns the subscriber unchanged. Effect: subscriber-change. Retry after reading the current resource state. Permissions: live_actions:write, subscribers:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "sequence_id": {
                  "description": "The sequence identifier.",
                  "type": "string"
                },
                "subscriber_id": {
                  "description": "The subscriber identifier.",
                  "type": "string"
                }
              },
              "required": [
                "subscriber_id",
                "sequence_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Subscriber": {
                  "properties": {
                    "country": {
                      "anyOf": [
                        {
                          "description": "Two-letter country code or country name. Mailrith stores Subscriber country as a two-letter country code.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "custom_fields": {
                      "additionalProperties": true,
                      "type": "object"
                    },
                    "email": {
                      "format": "email",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "last_opened_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "sequence_ids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "Active",
                        "Unconfirmed",
                        "Unsubscribed",
                        "Complained",
                        "Bounced",
                        "Blocked"
                      ],
                      "type": "string"
                    },
                    "subscribed_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "tags": {
                      "items": {
                        "$ref": "#/$defs/TagSummary"
                      },
                      "type": "array"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "email",
                    "name",
                    "status",
                    "country",
                    "subscribed_at",
                    "tags",
                    "sequence_ids",
                    "custom_fields",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "TagSummary": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "removeSubscriberSequence",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Subscriber"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Remove a subscriber from a sequence"
            }
          },
          {
            "name": "tags_list",
            "title": "List tags",
            "description": "Returns tags in the authenticated workspace. Permission: tags:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum number of tags to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter Tags by name or description. Retrieve a known Tag ID through the item endpoint.",
                  "type": "string"
                },
                "starting_after": {
                  "description": "Use the opaque cursor from the previous page to request the next page.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                },
                "Tag": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "description": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "gdpr_consent_purpose": {
                      "anyOf": [
                        {
                          "description": "Read-only GDPR consent purpose for Mailrith consent tags. Null for ordinary tags.",
                          "enum": [
                            "email_marketing",
                            "ads_personalization"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "description",
                    "gdpr_consent_purpose",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listTags",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/Tag"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List tags"
            }
          },
          {
            "name": "tags_get",
            "title": "Get a tag",
            "description": "Returns one Tag from the authenticated workspace. Permission: tags:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "tag_id": {
                  "description": "The Tag identifier.",
                  "type": "string"
                }
              },
              "required": [
                "tag_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Tag": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "description": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "gdpr_consent_purpose": {
                      "anyOf": [
                        {
                          "description": "Read-only GDPR consent purpose for Mailrith consent tags. Null for ordinary tags.",
                          "enum": [
                            "email_marketing",
                            "ads_personalization"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "description",
                    "gdpr_consent_purpose",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getTag",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Tag"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get a tag"
            }
          },
          {
            "name": "tags_create",
            "title": "Create a tag",
            "description": "Creates a new tag in the authenticated workspace. The GDPR consent tag names can be created and applied like other tags when you need to apply consent collected outside Mailrith. Tag-level double opt-in fields are no longer accepted; configure double opt-in on forms and landing pages instead. Effect: workspace-change. Retry with the same idempotency_key. Permission: tags:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "TagCreateRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "description": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "name": {
                      "description": "Tag name to create. You can also create the GDPR consent tag names when you need to apply consent collected outside Mailrith.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/TagCreateRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Tag": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "description": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "gdpr_consent_purpose": {
                      "anyOf": [
                        {
                          "description": "Read-only GDPR consent purpose for Mailrith consent tags. Null for ordinary tags.",
                          "enum": [
                            "email_marketing",
                            "ads_personalization"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "description",
                    "gdpr_consent_purpose",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "createTag",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Tag"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": false,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Create a tag"
            }
          },
          {
            "name": "custom_fields_list",
            "title": "List custom fields",
            "description": "Returns a bounded page of custom fields in the authenticated workspace, including each field's exact ready-to-use email personalization token. Permission: custom_fields:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum number of custom fields to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter custom fields by label or type.",
                  "maxLength": 200,
                  "type": "string"
                },
                "starting_after": {
                  "description": "Use the opaque cursor from the previous page to request the next page.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "CustomField": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "personalization_token": {
                      "description": "The exact ready-to-use token for this custom field. Copy it into an email subject or body text node and replace only the fallback text when needed. This value is computed from the current field label and is not stored separately.",
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "settings": {
                      "properties": {
                        "options": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "options"
                      ],
                      "type": "object"
                    },
                    "type": {
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "label",
                    "type",
                    "settings",
                    "personalization_token",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listCustomFields",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/CustomField"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List custom fields"
            }
          },
          {
            "name": "custom_fields_get",
            "title": "Get a custom field",
            "description": "Returns one custom field from the authenticated workspace, including its exact ready-to-use email personalization token. Permission: custom_fields:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "custom_field_id": {
                  "description": "The custom field identifier.",
                  "type": "string"
                }
              },
              "required": [
                "custom_field_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "CustomField": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "personalization_token": {
                      "description": "The exact ready-to-use token for this custom field. Copy it into an email subject or body text node and replace only the fallback text when needed. This value is computed from the current field label and is not stored separately.",
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "settings": {
                      "properties": {
                        "options": {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "options"
                      ],
                      "type": "object"
                    },
                    "type": {
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "label",
                    "type",
                    "settings",
                    "personalization_token",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getCustomField",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/CustomField"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get a custom field"
            }
          },
          {
            "name": "segments_list",
            "title": "List segments",
            "description": "Returns saved segments from the authenticated workspace. Permission: segments:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "The maximum number of segments to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter Segments by name or description.",
                  "maxLength": 200,
                  "type": "string"
                },
                "starting_after": {
                  "description": "The opaque cursor from the previous page of saved segments.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                },
                "SegmentSummary": {
                  "additionalProperties": false,
                  "properties": {
                    "confirmed_subscriber_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "description": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "total_subscriber_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "description",
                    "confirmed_subscriber_count",
                    "total_subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listSegments",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/SegmentSummary"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List segments"
            }
          },
          {
            "name": "segments_get",
            "title": "Get a segment",
            "description": "Returns one saved segment from the authenticated workspace. Permission: segments:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "segment_id": {
                  "description": "The identifier of the segment to return.",
                  "type": "string"
                }
              },
              "required": [
                "segment_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "Segment": {
                  "properties": {
                    "confirmed_subscriber_count": {
                      "type": "integer"
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/AudienceDefinition"
                    },
                    "description": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "total_subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "description",
                    "definition",
                    "confirmed_subscriber_count",
                    "total_subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getSegment",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Segment"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get a segment"
            }
          },
          {
            "name": "segments_preview",
            "title": "Preview a segment definition",
            "description": "Returns subscriber counts for an unsaved segment definition. Include `current_segment_id` when previewing edits to an existing segment so circular segment references are rejected before saving. Permission: segments:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "SegmentPreviewRequest": {
                  "properties": {
                    "current_segment_id": {
                      "anyOf": [
                        {
                          "description": "When previewing an edit to an existing segment, include that segment id so Mailrith can catch circular segment references before saving.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "definition": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        }
                      ],
                      "description": "The segment filters to preview. Include at least one filter group."
                    }
                  },
                  "required": [
                    "definition"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SegmentPreviewRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "SegmentPreview": {
                  "properties": {
                    "confirmed_subscriber_count": {
                      "type": "integer"
                    },
                    "total_subscriber_count": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "confirmed_subscriber_count",
                    "total_subscriber_count"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "previewSegment",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/SegmentPreview"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Preview a segment definition"
            }
          },
          {
            "name": "broadcasts_list",
            "title": "List broadcasts",
            "description": "Returns broadcast drafts, scheduled sends, active sends, and completed sends. Permission: broadcasts:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum number of items to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter Broadcasts by subject, preview text, status, or sender.",
                  "maxLength": 200,
                  "type": "string"
                },
                "starting_after": {
                  "description": "Opaque cursor returned by the previous page.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "BroadcastSummary": {
                  "additionalProperties": false,
                  "properties": {
                    "bounced_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clicked_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complained_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "completed_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "opened_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "recipient_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "scheduled_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "scheduled",
                        "running",
                        "completed",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "unsubscribed_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "preview_text",
                    "status",
                    "scheduled_at",
                    "completed_at",
                    "recipient_count",
                    "opened_count",
                    "clicked_count",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listBroadcasts",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/BroadcastSummary"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List broadcasts"
            }
          },
          {
            "name": "broadcasts_create",
            "title": "Create a broadcast",
            "description": "Creates a broadcast draft in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: broadcasts:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastUpsertRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body_document": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/BroadcastEmailDocument"
                        }
                      ],
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text."
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "subject",
                    "body_document"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/BroadcastUpsertRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "Broadcast": {
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "bounced_count": {
                      "type": "integer"
                    },
                    "clicked_count": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "completed_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "opened_count": {
                      "type": "integer"
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "recipient_count": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "scheduled_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "scheduled",
                        "running",
                        "completed",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "preview_text",
                    "body",
                    "body_document",
                    "status",
                    "scheduled_at",
                    "completed_at",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "audience_definition",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "recipient_count",
                    "opened_count",
                    "clicked_count",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "createBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Broadcast"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": false,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Create a broadcast"
            }
          },
          {
            "name": "broadcasts_get",
            "title": "Get a broadcast",
            "description": "Returns a broadcast draft, scheduled send, active send, or completed send. Permission: broadcasts:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "Broadcast": {
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "bounced_count": {
                      "type": "integer"
                    },
                    "clicked_count": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "completed_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "opened_count": {
                      "type": "integer"
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "recipient_count": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "scheduled_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "scheduled",
                        "running",
                        "completed",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "preview_text",
                    "body",
                    "body_document",
                    "status",
                    "scheduled_at",
                    "completed_at",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "audience_definition",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "recipient_count",
                    "opened_count",
                    "clicked_count",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Broadcast"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get a broadcast"
            }
          },
          {
            "name": "broadcasts_update",
            "title": "Update a broadcast",
            "description": "Updates an existing Broadcast draft. Scheduled, running, completed, and failed Broadcasts cannot be changed here. Before changing a scheduled Broadcast, read it by ID and retain its scheduled_at in the current task only. If the saved time is no longer safely in the future, ask the user for a new time before unscheduling. Otherwise unschedule it, apply the update, reschedule it for the same time, and verify both status and scheduled_at. If the update fails after unscheduling, restore the unchanged Broadcast to the same future time when possible. If the schedule cannot be restored, leave it as a Draft and immediately report that it will not send; never choose a replacement time without the user. Effect: workspace-change. Retry after reading the current resource state. Permission: broadcasts:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastUpdateRequest": {
                  "additionalProperties": false,
                  "minProperties": 1,
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body_document": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/BroadcastEmailDocument"
                        }
                      ],
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text."
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/BroadcastUpdateRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "Broadcast": {
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "bounced_count": {
                      "type": "integer"
                    },
                    "clicked_count": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "completed_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "opened_count": {
                      "type": "integer"
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "recipient_count": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "scheduled_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "scheduled",
                        "running",
                        "completed",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "preview_text",
                    "body",
                    "body_document",
                    "status",
                    "scheduled_at",
                    "completed_at",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "audience_definition",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "recipient_count",
                    "opened_count",
                    "clicked_count",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Broadcast"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Update a broadcast"
            }
          },
          {
            "name": "broadcasts_preflight",
            "title": "Inspect broadcast readiness",
            "description": "Optionally checks the current Subscriber estimate, provider capacity, sender setup, event tracking, and blocking issues. This diagnostic is not required before starting a durable send. Permission: broadcasts:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "BroadcastSendPreflight": {
                  "description": "Current Subscriber estimate, provider capacity, sender and event setup health, duration estimate, and blocking issues.",
                  "properties": {
                    "blocking_issues": {
                      "items": {
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "resolution": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "code",
                          "message",
                          "resolution"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "broadcast_id": {
                      "type": "string"
                    },
                    "checked_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "connection": {
                      "properties": {
                        "id": {
                          "type": "string"
                        },
                        "name": {
                          "type": "string"
                        },
                        "provider": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "id",
                        "name",
                        "provider"
                      ],
                      "type": "object"
                    },
                    "estimated_duration_seconds": {
                      "anyOf": [
                        {
                          "minimum": 0,
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "event_webhook_health": {
                      "enum": [
                        "healthy",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "provider_production_status": {
                      "enum": [
                        "production",
                        "restricted",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "recipient_estimate": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "remaining_daily_quota": {
                      "anyOf": [
                        {
                          "minimum": 0,
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "safe_send_rate": {
                      "anyOf": [
                        {
                          "exclusiveMinimum": 0,
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "send_proof": {
                      "anyOf": [
                        {
                          "description": "Short-lived proof returned when preflight passes. Submit it unchanged to Send so Mailrith can accept the durable run without repeating the expensive Subscriber count and provider checks.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "send_proof_expires_at": {
                      "anyOf": [
                        {
                          "description": "When the short-lived Send proof expires. Run preflight again after this time.",
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "sender_authentication_status": {
                      "enum": [
                        "verified",
                        "unverified",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "sending_quota": {
                      "anyOf": [
                        {
                          "properties": {
                            "limit": {
                              "minimum": 1,
                              "type": "integer"
                            },
                            "period": {
                              "enum": [
                                "rolling-24-hours",
                                "day",
                                "month"
                              ],
                              "type": "string"
                            },
                            "remaining": {
                              "minimum": 0,
                              "type": "integer"
                            }
                          },
                          "required": [
                            "remaining",
                            "limit",
                            "period"
                          ],
                          "type": "object"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "subject": {
                      "type": "string"
                    },
                    "workspace_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "workspace_id",
                    "broadcast_id",
                    "subject",
                    "recipient_estimate",
                    "connection",
                    "provider_production_status",
                    "remaining_daily_quota",
                    "sending_quota",
                    "safe_send_rate",
                    "estimated_duration_seconds",
                    "sender_authentication_status",
                    "event_webhook_health",
                    "blocking_issues",
                    "checked_at",
                    "send_proof",
                    "send_proof_expires_at"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "preflightBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/BroadcastSendPreflight"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Inspect broadcast readiness"
            }
          },
          {
            "name": "broadcasts_send_test",
            "title": "Send a broadcast test email",
            "description": "Sends a test message from an existing Broadcast that has an email delivery connection. Provide a saved Subscriber ID for personalization; use subscribers_list to find one when needed. The recipient may be any test inbox and does not have to match the saved Subscriber. Effect: external-email. Retry with the same idempotency_key. Permissions: live_actions:write, subscribers:read, broadcasts:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "BroadcastTestRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "recipient": {
                      "description": "The inbox that receives the test message. It may differ from the saved Subscriber used for personalization.",
                      "format": "email",
                      "type": "string"
                    },
                    "subscriber_id": {
                      "description": "Required saved Subscriber ID whose profile supplies personalization. Use subscribers_list to find one before sending the test when needed.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "recipient",
                    "subscriber_id"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/BroadcastTestRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "BroadcastTestResult": {
                  "additionalProperties": false,
                  "properties": {
                    "provider_message_ids": {
                      "description": "Provider acceptance IDs in sent-message order; null when unavailable. These are not delivery or inbox receipts.",
                      "items": {
                        "anyOf": [
                          {
                            "maxLength": 200,
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "maxItems": 5,
                      "minItems": 1,
                      "type": "array"
                    },
                    "status": {
                      "enum": [
                        "completed"
                      ],
                      "type": "string"
                    },
                    "subscriber_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "status",
                    "subscriber_id"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "testBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/BroadcastTestResult"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": false,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Send a broadcast test email"
            }
          },
          {
            "name": "broadcasts_schedule",
            "title": "Schedule or reschedule a broadcast",
            "description": "Schedules a draft for future delivery, or changes the delivery time of an existing scheduled Broadcast. This uses Mailrith's durable scheduled-send path and does not start delivery immediately. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, broadcasts:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "BroadcastScheduleRequest": {
                  "additionalProperties": false,
                  "example": {
                    "scheduled_at": "2026-08-01T09:30:00.000Z"
                  },
                  "examples": [
                    {
                      "scheduled_at": "2026-08-01T09:30:00.000Z"
                    }
                  ],
                  "properties": {
                    "scheduled_at": {
                      "description": "A future date and time. Include an explicit UTC offset or Z suffix.",
                      "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z|[+-](?:[01]\\d|2[0-3]):[0-5]\\d)$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "scheduled_at"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/BroadcastScheduleRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "Broadcast": {
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "bounced_count": {
                      "type": "integer"
                    },
                    "clicked_count": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "completed_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "opened_count": {
                      "type": "integer"
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "recipient_count": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "scheduled_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "scheduled",
                        "running",
                        "completed",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "preview_text",
                    "body",
                    "body_document",
                    "status",
                    "scheduled_at",
                    "completed_at",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "audience_definition",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "recipient_count",
                    "opened_count",
                    "clicked_count",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "scheduleBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Broadcast"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Schedule or reschedule a broadcast"
            }
          },
          {
            "name": "broadcasts_unschedule",
            "title": "Unschedule a broadcast",
            "description": "Returns a scheduled Broadcast to draft state before delivery starts. Effect: workspace-change. Retry after reading the current resource state. Permissions: live_actions:write, broadcasts:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "Broadcast": {
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "bounced_count": {
                      "type": "integer"
                    },
                    "clicked_count": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "completed_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "opened_count": {
                      "type": "integer"
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "recipient_count": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "scheduled_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "scheduled",
                        "running",
                        "completed",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "preview_text",
                    "body",
                    "body_document",
                    "status",
                    "scheduled_at",
                    "completed_at",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "audience_definition",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "recipient_count",
                    "opened_count",
                    "clicked_count",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "unscheduleBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Broadcast"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Unschedule a broadcast"
            }
          },
          {
            "name": "broadcasts_send",
            "title": "Send a broadcast now",
            "description": "Immediately creates durable preparation for a broadcast draft or scheduled send. Mailrith calculates the exact Subscriber total and checks provider readiness in the background before delivery. A 202 response means the durable send was accepted, not that provider delivery is complete. Reuse the same idempotency key if the response is lost. Effect: external-email. Retry with the same idempotency_key. Permissions: live_actions:write, broadcasts:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "properties": {
                    "preflight_proof": {
                      "description": "Optional unchanged short-lived send_proof returned by a recent diagnostic preflight. A valid proof can seed its checked estimate. If it is omitted, expired, or no longer matches, Mailrith still creates the run immediately and calculates the exact total during durable preparation.",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "Broadcast": {
                  "properties": {
                    "audience_definition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "bounced_count": {
                      "type": "integer"
                    },
                    "clicked_count": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "completed_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "opened_count": {
                      "type": "integer"
                    },
                    "preview_text": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "recipient_count": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "scheduled_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "scheduled",
                        "running",
                        "completed",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "preview_text",
                    "body",
                    "body_document",
                    "status",
                    "scheduled_at",
                    "completed_at",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "audience_definition",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "recipient_count",
                    "opened_count",
                    "clicked_count",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "sendBroadcast",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "properties": {
                        "resource": {
                          "$ref": "#/$defs/Broadcast"
                        },
                        "run_id": {
                          "type": "string"
                        },
                        "status": {
                          "description": "Queued means Mailrith accepted the send and will start it automatically when a sending slot is available.",
                          "enum": [
                            "running",
                            "queued"
                          ],
                          "type": "string"
                        }
                      },
                      "required": [
                        "status",
                        "run_id",
                        "resource"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": false,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Send a broadcast now"
            }
          },
          {
            "name": "broadcasts_cancel",
            "title": "Cancel a broadcast send",
            "description": "Requests cancellation for delivery work that has not reached the provider. Provider-accepted emails cannot be recalled. Repeat the same request with the same idempotency key when the response is lost. Effect: external-email. Retry with the same idempotency_key. Permissions: live_actions:write, broadcasts:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "cancelBroadcastSend",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "properties": {
                        "changed": {
                          "type": "boolean"
                        },
                        "message": {
                          "type": "string"
                        },
                        "recovery_pending": {
                          "type": "boolean"
                        },
                        "run_id": {
                          "type": "string"
                        },
                        "status": {
                          "description": "canceling while remaining work is stopping, or canceled when cancellation already finished.",
                          "enum": [
                            "canceling",
                            "canceled"
                          ],
                          "type": "string"
                        }
                      },
                      "required": [
                        "status",
                        "run_id",
                        "changed",
                        "recovery_pending",
                        "message"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": false,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Cancel a broadcast send"
            }
          },
          {
            "name": "broadcasts_get_send_progress",
            "title": "Get broadcast send progress",
            "description": "Returns bounded delivery progress, current rates, timing, outcome counts, and pause state. Poll until terminal is true; use 5 to 10 second intervals while progress changes and back off to 30 seconds when unchanged. Permission: broadcasts:read. Polling: wait at least 2 seconds, use exponential backoff up to 30 seconds, stop at a terminal state, and stop after 15 minutes. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "broadcast_id": {
                  "description": "The broadcast identifier.",
                  "type": "string"
                }
              },
              "required": [
                "broadcast_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "BroadcastSendProgress": {
                  "properties": {
                    "accepted": {
                      "type": "integer"
                    },
                    "canceled": {
                      "type": "integer"
                    },
                    "effective_rate": {
                      "type": "number"
                    },
                    "estimated_completion": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "estimated_completion_basis": {
                      "anyOf": [
                        {
                          "description": "Whether the estimate uses only the current rate or also includes known provider quota windows.",
                          "enum": [
                            "current-rate",
                            "provider-quota"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "last_progress_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "materialized": {
                      "type": "integer"
                    },
                    "next_retry_action": {
                      "anyOf": [
                        {
                          "description": "Whether the next time is a known quota reset or another connection check.",
                          "enum": [
                            "resume",
                            "recheck"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "next_retry_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_message": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_reason": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "percent_complete": {
                      "type": "number"
                    },
                    "permanent_failed": {
                      "type": "integer"
                    },
                    "phase": {
                      "enum": [
                        "preparing",
                        "sending",
                        "paused",
                        "canceling",
                        "sent",
                        "sent_with_errors",
                        "canceled",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "provider": {
                      "anyOf": [
                        {
                          "description": "The email delivery provider used by this send.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "provider_limited_rate": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "retrying": {
                      "type": "integer"
                    },
                    "run_id": {
                      "type": "string"
                    },
                    "selected": {
                      "type": "integer"
                    },
                    "sent": {
                      "type": "integer"
                    },
                    "skipped": {
                      "type": "integer"
                    },
                    "terminal": {
                      "type": "boolean"
                    },
                    "unknown": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "run_id",
                    "phase",
                    "selected",
                    "materialized",
                    "sent",
                    "accepted",
                    "skipped",
                    "retrying",
                    "permanent_failed",
                    "unknown",
                    "canceled",
                    "percent_complete",
                    "effective_rate",
                    "provider_limited_rate",
                    "provider",
                    "estimated_completion",
                    "estimated_completion_basis",
                    "last_progress_at",
                    "pause_reason",
                    "next_retry_at",
                    "next_retry_action",
                    "pause_message",
                    "terminal"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getBroadcastSendProgress",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/BroadcastSendProgress"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get broadcast send progress"
            }
          },
          {
            "name": "sequences_list",
            "title": "List sequences",
            "description": "Returns sequences in the authenticated workspace. Permission: sequences:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum number of sequences to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter sequences by name, status, or sender details. Retrieve a known Sequence ID through the item endpoint.",
                  "type": "string"
                },
                "starting_after": {
                  "description": "Use the opaque cursor from the previous page to request the next page.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                },
                "SequenceSummary": {
                  "additionalProperties": false,
                  "properties": {
                    "click_rate": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "email_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "open_rate": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "unsubscribed_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "email_count",
                    "subscriber_count",
                    "open_rate",
                    "click_rate",
                    "unsubscribed_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listSequences",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/SequenceSummary"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List sequences"
            }
          },
          {
            "name": "sequences_create",
            "title": "Create a sequence",
            "description": "Creates a sequence in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: sequences:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                },
                "SequenceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "emails": [
                      {
                        "audienceDefinition": null,
                        "audienceMode": "all",
                        "bodyDocument": {
                          "content": [
                            {
                              "content": [
                                {
                                  "text": "Welcome to the newsletter.",
                                  "type": "text"
                                }
                              ],
                              "type": "paragraph"
                            }
                          ],
                          "type": "doc"
                        },
                        "delayUnit": "day",
                        "delayValue": 0,
                        "id": "welcome",
                        "previewText": "Thanks for joining",
                        "sendOnWeekdays": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri"
                        ],
                        "status": "Published",
                        "subject": "Welcome"
                      }
                    ]
                  },
                  "examples": [
                    {
                      "emails": [
                        {
                          "audienceDefinition": null,
                          "audienceMode": "all",
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to the newsletter.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "delayUnit": "day",
                          "delayValue": 0,
                          "id": "welcome",
                          "previewText": "Thanks for joining",
                          "sendOnWeekdays": [
                            "Mon",
                            "Tue",
                            "Wed",
                            "Thu",
                            "Fri"
                          ],
                          "status": "Published",
                          "subject": "Welcome"
                        }
                      ]
                    }
                  ],
                  "properties": {
                    "defaultTemplateId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "emails": {
                      "items": {
                        "$ref": "#/$defs/SequenceEmail"
                      },
                      "type": "array"
                    },
                    "excludeAudienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "restartSequenceForCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendNewEmailsToCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "emails"
                  ],
                  "type": "object"
                },
                "SequenceEmail": {
                  "additionalProperties": false,
                  "properties": {
                    "audienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "audienceMode": {
                      "enum": [
                        "all",
                        "include",
                        "exclude"
                      ],
                      "type": "string"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "delayUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day"
                      ],
                      "type": "string"
                    },
                    "delayValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "id": {
                      "type": "string"
                    },
                    "previewText": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "status": {
                      "enum": [
                        "Draft",
                        "Published"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "previewText",
                    "bodyDocument",
                    "status",
                    "delayValue",
                    "delayUnit",
                    "sendOnWeekdays"
                  ],
                  "type": "object"
                },
                "SequenceUpsertRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "definition": {
                      "$ref": "#/$defs/SequenceDefinition"
                    },
                    "name": {
                      "type": "string"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "name",
                    "definition"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SequenceUpsertRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastSendProgress": {
                  "properties": {
                    "accepted": {
                      "type": "integer"
                    },
                    "canceled": {
                      "type": "integer"
                    },
                    "effective_rate": {
                      "type": "number"
                    },
                    "estimated_completion": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "estimated_completion_basis": {
                      "anyOf": [
                        {
                          "description": "Whether the estimate uses only the current rate or also includes known provider quota windows.",
                          "enum": [
                            "current-rate",
                            "provider-quota"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "last_progress_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "materialized": {
                      "type": "integer"
                    },
                    "next_retry_action": {
                      "anyOf": [
                        {
                          "description": "Whether the next time is a known quota reset or another connection check.",
                          "enum": [
                            "resume",
                            "recheck"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "next_retry_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_message": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_reason": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "percent_complete": {
                      "type": "number"
                    },
                    "permanent_failed": {
                      "type": "integer"
                    },
                    "phase": {
                      "enum": [
                        "preparing",
                        "sending",
                        "paused",
                        "canceling",
                        "sent",
                        "sent_with_errors",
                        "canceled",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "provider": {
                      "anyOf": [
                        {
                          "description": "The email delivery provider used by this send.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "provider_limited_rate": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "retrying": {
                      "type": "integer"
                    },
                    "run_id": {
                      "type": "string"
                    },
                    "selected": {
                      "type": "integer"
                    },
                    "sent": {
                      "type": "integer"
                    },
                    "skipped": {
                      "type": "integer"
                    },
                    "terminal": {
                      "type": "boolean"
                    },
                    "unknown": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "run_id",
                    "phase",
                    "selected",
                    "materialized",
                    "sent",
                    "accepted",
                    "skipped",
                    "retrying",
                    "permanent_failed",
                    "unknown",
                    "canceled",
                    "percent_complete",
                    "effective_rate",
                    "provider_limited_rate",
                    "provider",
                    "estimated_completion",
                    "estimated_completion_basis",
                    "last_progress_at",
                    "pause_reason",
                    "next_retry_at",
                    "next_retry_action",
                    "pause_message",
                    "terminal"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                },
                "Sequence": {
                  "properties": {
                    "bounced_count": {
                      "type": "integer"
                    },
                    "click_rate": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/SequenceDefinition"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Sequence change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "open_rate": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "send_progress": {
                      "anyOf": [
                        {
                          "allOf": [
                            {
                              "$ref": "#/$defs/BroadcastSendProgress"
                            }
                          ]
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "status": {
                      "enum": [
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "definition",
                    "subscriber_count",
                    "open_rate",
                    "click_rate",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "SequenceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "emails": [
                      {
                        "audienceDefinition": null,
                        "audienceMode": "all",
                        "bodyDocument": {
                          "content": [
                            {
                              "content": [
                                {
                                  "text": "Welcome to the newsletter.",
                                  "type": "text"
                                }
                              ],
                              "type": "paragraph"
                            }
                          ],
                          "type": "doc"
                        },
                        "delayUnit": "day",
                        "delayValue": 0,
                        "id": "welcome",
                        "previewText": "Thanks for joining",
                        "sendOnWeekdays": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri"
                        ],
                        "status": "Published",
                        "subject": "Welcome"
                      }
                    ]
                  },
                  "examples": [
                    {
                      "emails": [
                        {
                          "audienceDefinition": null,
                          "audienceMode": "all",
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to the newsletter.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "delayUnit": "day",
                          "delayValue": 0,
                          "id": "welcome",
                          "previewText": "Thanks for joining",
                          "sendOnWeekdays": [
                            "Mon",
                            "Tue",
                            "Wed",
                            "Thu",
                            "Fri"
                          ],
                          "status": "Published",
                          "subject": "Welcome"
                        }
                      ]
                    }
                  ],
                  "properties": {
                    "defaultTemplateId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "emails": {
                      "items": {
                        "$ref": "#/$defs/SequenceEmail"
                      },
                      "type": "array"
                    },
                    "excludeAudienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "restartSequenceForCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendNewEmailsToCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "emails"
                  ],
                  "type": "object"
                },
                "SequenceEmail": {
                  "additionalProperties": false,
                  "properties": {
                    "audienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "audienceMode": {
                      "enum": [
                        "all",
                        "include",
                        "exclude"
                      ],
                      "type": "string"
                    },
                    "body": {
                      "description": "Rendered HTML returned by Mailrith. Agents should send bodyDocument when creating or updating a Sequence.",
                      "readOnly": true,
                      "type": "string"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "delayUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day"
                      ],
                      "type": "string"
                    },
                    "delayValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "id": {
                      "type": "string"
                    },
                    "previewText": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "status": {
                      "enum": [
                        "Draft",
                        "Published"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "previewText",
                    "bodyDocument",
                    "status",
                    "delayValue",
                    "delayUnit",
                    "sendOnWeekdays"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "createSequence",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Sequence"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": false,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Create a sequence"
            }
          },
          {
            "name": "sequences_get",
            "title": "Get a sequence",
            "description": "Returns one sequence from the authenticated workspace. Permission: sequences:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "sequence_id": {
                  "description": "The sequence identifier.",
                  "type": "string"
                }
              },
              "required": [
                "sequence_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastSendProgress": {
                  "properties": {
                    "accepted": {
                      "type": "integer"
                    },
                    "canceled": {
                      "type": "integer"
                    },
                    "effective_rate": {
                      "type": "number"
                    },
                    "estimated_completion": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "estimated_completion_basis": {
                      "anyOf": [
                        {
                          "description": "Whether the estimate uses only the current rate or also includes known provider quota windows.",
                          "enum": [
                            "current-rate",
                            "provider-quota"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "last_progress_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "materialized": {
                      "type": "integer"
                    },
                    "next_retry_action": {
                      "anyOf": [
                        {
                          "description": "Whether the next time is a known quota reset or another connection check.",
                          "enum": [
                            "resume",
                            "recheck"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "next_retry_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_message": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_reason": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "percent_complete": {
                      "type": "number"
                    },
                    "permanent_failed": {
                      "type": "integer"
                    },
                    "phase": {
                      "enum": [
                        "preparing",
                        "sending",
                        "paused",
                        "canceling",
                        "sent",
                        "sent_with_errors",
                        "canceled",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "provider": {
                      "anyOf": [
                        {
                          "description": "The email delivery provider used by this send.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "provider_limited_rate": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "retrying": {
                      "type": "integer"
                    },
                    "run_id": {
                      "type": "string"
                    },
                    "selected": {
                      "type": "integer"
                    },
                    "sent": {
                      "type": "integer"
                    },
                    "skipped": {
                      "type": "integer"
                    },
                    "terminal": {
                      "type": "boolean"
                    },
                    "unknown": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "run_id",
                    "phase",
                    "selected",
                    "materialized",
                    "sent",
                    "accepted",
                    "skipped",
                    "retrying",
                    "permanent_failed",
                    "unknown",
                    "canceled",
                    "percent_complete",
                    "effective_rate",
                    "provider_limited_rate",
                    "provider",
                    "estimated_completion",
                    "estimated_completion_basis",
                    "last_progress_at",
                    "pause_reason",
                    "next_retry_at",
                    "next_retry_action",
                    "pause_message",
                    "terminal"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                },
                "Sequence": {
                  "properties": {
                    "bounced_count": {
                      "type": "integer"
                    },
                    "click_rate": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/SequenceDefinition"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Sequence change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "open_rate": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "send_progress": {
                      "anyOf": [
                        {
                          "allOf": [
                            {
                              "$ref": "#/$defs/BroadcastSendProgress"
                            }
                          ]
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "status": {
                      "enum": [
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "definition",
                    "subscriber_count",
                    "open_rate",
                    "click_rate",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "SequenceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "emails": [
                      {
                        "audienceDefinition": null,
                        "audienceMode": "all",
                        "bodyDocument": {
                          "content": [
                            {
                              "content": [
                                {
                                  "text": "Welcome to the newsletter.",
                                  "type": "text"
                                }
                              ],
                              "type": "paragraph"
                            }
                          ],
                          "type": "doc"
                        },
                        "delayUnit": "day",
                        "delayValue": 0,
                        "id": "welcome",
                        "previewText": "Thanks for joining",
                        "sendOnWeekdays": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri"
                        ],
                        "status": "Published",
                        "subject": "Welcome"
                      }
                    ]
                  },
                  "examples": [
                    {
                      "emails": [
                        {
                          "audienceDefinition": null,
                          "audienceMode": "all",
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to the newsletter.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "delayUnit": "day",
                          "delayValue": 0,
                          "id": "welcome",
                          "previewText": "Thanks for joining",
                          "sendOnWeekdays": [
                            "Mon",
                            "Tue",
                            "Wed",
                            "Thu",
                            "Fri"
                          ],
                          "status": "Published",
                          "subject": "Welcome"
                        }
                      ]
                    }
                  ],
                  "properties": {
                    "defaultTemplateId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "emails": {
                      "items": {
                        "$ref": "#/$defs/SequenceEmail"
                      },
                      "type": "array"
                    },
                    "excludeAudienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "restartSequenceForCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendNewEmailsToCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "emails"
                  ],
                  "type": "object"
                },
                "SequenceEmail": {
                  "additionalProperties": false,
                  "properties": {
                    "audienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "audienceMode": {
                      "enum": [
                        "all",
                        "include",
                        "exclude"
                      ],
                      "type": "string"
                    },
                    "body": {
                      "description": "Rendered HTML returned by Mailrith. Agents should send bodyDocument when creating or updating a Sequence.",
                      "readOnly": true,
                      "type": "string"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "delayUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day"
                      ],
                      "type": "string"
                    },
                    "delayValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "id": {
                      "type": "string"
                    },
                    "previewText": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "status": {
                      "enum": [
                        "Draft",
                        "Published"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "previewText",
                    "bodyDocument",
                    "status",
                    "delayValue",
                    "delayUnit",
                    "sendOnWeekdays"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getSequence",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Sequence"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get a sequence"
            }
          },
          {
            "name": "sequences_update",
            "title": "Update a sequence",
            "description": "Updates an existing paused Sequence. Before changing a running Sequence, read it by ID, retain its status in the current task only, pause it, apply the update, and use bounded direct item reads until is_updating is false. Run preflight, return it to running only if it was running before and preflight passes, and verify the final status. If the update fails before changing the Sequence, restore its prior running status when preflight passes. If readiness or the prior status cannot be restored, leave it paused and immediately report the failure; never activate a Sequence that was not already running. Effect: workspace-change. Retry after reading the current resource state. Permission: sequences:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                },
                "SequenceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "emails": [
                      {
                        "audienceDefinition": null,
                        "audienceMode": "all",
                        "bodyDocument": {
                          "content": [
                            {
                              "content": [
                                {
                                  "text": "Welcome to the newsletter.",
                                  "type": "text"
                                }
                              ],
                              "type": "paragraph"
                            }
                          ],
                          "type": "doc"
                        },
                        "delayUnit": "day",
                        "delayValue": 0,
                        "id": "welcome",
                        "previewText": "Thanks for joining",
                        "sendOnWeekdays": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri"
                        ],
                        "status": "Published",
                        "subject": "Welcome"
                      }
                    ]
                  },
                  "examples": [
                    {
                      "emails": [
                        {
                          "audienceDefinition": null,
                          "audienceMode": "all",
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to the newsletter.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "delayUnit": "day",
                          "delayValue": 0,
                          "id": "welcome",
                          "previewText": "Thanks for joining",
                          "sendOnWeekdays": [
                            "Mon",
                            "Tue",
                            "Wed",
                            "Thu",
                            "Fri"
                          ],
                          "status": "Published",
                          "subject": "Welcome"
                        }
                      ]
                    }
                  ],
                  "properties": {
                    "defaultTemplateId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "emails": {
                      "items": {
                        "$ref": "#/$defs/SequenceEmail"
                      },
                      "type": "array"
                    },
                    "excludeAudienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "restartSequenceForCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendNewEmailsToCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "emails"
                  ],
                  "type": "object"
                },
                "SequenceEmail": {
                  "additionalProperties": false,
                  "properties": {
                    "audienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "audienceMode": {
                      "enum": [
                        "all",
                        "include",
                        "exclude"
                      ],
                      "type": "string"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "delayUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day"
                      ],
                      "type": "string"
                    },
                    "delayValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "id": {
                      "type": "string"
                    },
                    "previewText": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "status": {
                      "enum": [
                        "Draft",
                        "Published"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "previewText",
                    "bodyDocument",
                    "status",
                    "delayValue",
                    "delayUnit",
                    "sendOnWeekdays"
                  ],
                  "type": "object"
                },
                "SequenceUpdateRequest": {
                  "additionalProperties": false,
                  "minProperties": 1,
                  "properties": {
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "definition": {
                      "$ref": "#/$defs/SequenceDefinition"
                    },
                    "name": {
                      "type": "string"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SequenceUpdateRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "sequence_id": {
                  "description": "The sequence identifier.",
                  "type": "string"
                }
              },
              "required": [
                "sequence_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastSendProgress": {
                  "properties": {
                    "accepted": {
                      "type": "integer"
                    },
                    "canceled": {
                      "type": "integer"
                    },
                    "effective_rate": {
                      "type": "number"
                    },
                    "estimated_completion": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "estimated_completion_basis": {
                      "anyOf": [
                        {
                          "description": "Whether the estimate uses only the current rate or also includes known provider quota windows.",
                          "enum": [
                            "current-rate",
                            "provider-quota"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "last_progress_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "materialized": {
                      "type": "integer"
                    },
                    "next_retry_action": {
                      "anyOf": [
                        {
                          "description": "Whether the next time is a known quota reset or another connection check.",
                          "enum": [
                            "resume",
                            "recheck"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "next_retry_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_message": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_reason": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "percent_complete": {
                      "type": "number"
                    },
                    "permanent_failed": {
                      "type": "integer"
                    },
                    "phase": {
                      "enum": [
                        "preparing",
                        "sending",
                        "paused",
                        "canceling",
                        "sent",
                        "sent_with_errors",
                        "canceled",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "provider": {
                      "anyOf": [
                        {
                          "description": "The email delivery provider used by this send.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "provider_limited_rate": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "retrying": {
                      "type": "integer"
                    },
                    "run_id": {
                      "type": "string"
                    },
                    "selected": {
                      "type": "integer"
                    },
                    "sent": {
                      "type": "integer"
                    },
                    "skipped": {
                      "type": "integer"
                    },
                    "terminal": {
                      "type": "boolean"
                    },
                    "unknown": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "run_id",
                    "phase",
                    "selected",
                    "materialized",
                    "sent",
                    "accepted",
                    "skipped",
                    "retrying",
                    "permanent_failed",
                    "unknown",
                    "canceled",
                    "percent_complete",
                    "effective_rate",
                    "provider_limited_rate",
                    "provider",
                    "estimated_completion",
                    "estimated_completion_basis",
                    "last_progress_at",
                    "pause_reason",
                    "next_retry_at",
                    "next_retry_action",
                    "pause_message",
                    "terminal"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                },
                "Sequence": {
                  "properties": {
                    "bounced_count": {
                      "type": "integer"
                    },
                    "click_rate": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/SequenceDefinition"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Sequence change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "open_rate": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "send_progress": {
                      "anyOf": [
                        {
                          "allOf": [
                            {
                              "$ref": "#/$defs/BroadcastSendProgress"
                            }
                          ]
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "status": {
                      "enum": [
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "definition",
                    "subscriber_count",
                    "open_rate",
                    "click_rate",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "SequenceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "emails": [
                      {
                        "audienceDefinition": null,
                        "audienceMode": "all",
                        "bodyDocument": {
                          "content": [
                            {
                              "content": [
                                {
                                  "text": "Welcome to the newsletter.",
                                  "type": "text"
                                }
                              ],
                              "type": "paragraph"
                            }
                          ],
                          "type": "doc"
                        },
                        "delayUnit": "day",
                        "delayValue": 0,
                        "id": "welcome",
                        "previewText": "Thanks for joining",
                        "sendOnWeekdays": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri"
                        ],
                        "status": "Published",
                        "subject": "Welcome"
                      }
                    ]
                  },
                  "examples": [
                    {
                      "emails": [
                        {
                          "audienceDefinition": null,
                          "audienceMode": "all",
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to the newsletter.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "delayUnit": "day",
                          "delayValue": 0,
                          "id": "welcome",
                          "previewText": "Thanks for joining",
                          "sendOnWeekdays": [
                            "Mon",
                            "Tue",
                            "Wed",
                            "Thu",
                            "Fri"
                          ],
                          "status": "Published",
                          "subject": "Welcome"
                        }
                      ]
                    }
                  ],
                  "properties": {
                    "defaultTemplateId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "emails": {
                      "items": {
                        "$ref": "#/$defs/SequenceEmail"
                      },
                      "type": "array"
                    },
                    "excludeAudienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "restartSequenceForCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendNewEmailsToCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "emails"
                  ],
                  "type": "object"
                },
                "SequenceEmail": {
                  "additionalProperties": false,
                  "properties": {
                    "audienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "audienceMode": {
                      "enum": [
                        "all",
                        "include",
                        "exclude"
                      ],
                      "type": "string"
                    },
                    "body": {
                      "description": "Rendered HTML returned by Mailrith. Agents should send bodyDocument when creating or updating a Sequence.",
                      "readOnly": true,
                      "type": "string"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "delayUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day"
                      ],
                      "type": "string"
                    },
                    "delayValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "id": {
                      "type": "string"
                    },
                    "previewText": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "status": {
                      "enum": [
                        "Draft",
                        "Published"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "previewText",
                    "bodyDocument",
                    "status",
                    "delayValue",
                    "delayUnit",
                    "sendOnWeekdays"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateSequence",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Sequence"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Update a sequence"
            }
          },
          {
            "name": "sequences_preflight",
            "title": "Check sequence readiness",
            "description": "Checks the saved Sequence, its published emails, and its email delivery connection without changing data or sending email. Permission: sequences:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "sequence_id": {
                  "description": "The Sequence identifier.",
                  "type": "string"
                }
              },
              "required": [
                "sequence_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "SequencePreflight": {
                  "additionalProperties": false,
                  "properties": {
                    "checked_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "checks": {
                      "items": {
                        "$ref": "#/$defs/WorkflowReadinessCheck"
                      },
                      "type": "array"
                    },
                    "email_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "published_email_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "ready": {
                      "type": "boolean"
                    },
                    "sequence_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "sequence_id",
                    "ready",
                    "email_count",
                    "published_email_count",
                    "checks",
                    "checked_at"
                  ],
                  "type": "object"
                },
                "WorkflowReadinessCheck": {
                  "additionalProperties": false,
                  "properties": {
                    "key": {
                      "type": "string"
                    },
                    "message": {
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "passed",
                        "blocking"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "key",
                    "status",
                    "message"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "preflightSequence",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/SequencePreflight"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Check sequence readiness"
            }
          },
          {
            "name": "sequences_preview_journey",
            "title": "Preview a sequence journey",
            "description": "Returns the bounded saved email timeline and shows which messages a selected Subscriber is eligible to receive, without enrolling the Subscriber or sending email. Permissions: subscribers:read, sequences:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "sequence_id": {
                  "description": "The Sequence identifier.",
                  "type": "string"
                },
                "subscriber_id": {
                  "description": "The saved Subscriber whose personalization and targeting should be previewed.",
                  "type": "string"
                }
              },
              "required": [
                "sequence_id",
                "subscriber_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "SequenceJourneyPreview": {
                  "additionalProperties": false,
                  "properties": {
                    "emails": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "audience_mode": {
                            "enum": [
                              "all",
                              "include",
                              "exclude"
                            ],
                            "type": "string"
                          },
                          "delay_unit": {
                            "enum": [
                              "minute",
                              "hour",
                              "day"
                            ],
                            "type": "string"
                          },
                          "delay_value": {
                            "minimum": 0,
                            "type": "integer"
                          },
                          "eligible": {
                            "type": "boolean"
                          },
                          "email_id": {
                            "type": "string"
                          },
                          "position": {
                            "minimum": 1,
                            "type": "integer"
                          },
                          "send_on_weekdays": {
                            "items": {
                              "type": "string"
                            },
                            "type": "array"
                          },
                          "status": {
                            "enum": [
                              "Draft",
                              "Published"
                            ],
                            "type": "string"
                          },
                          "subject": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "position",
                          "email_id",
                          "subject",
                          "status",
                          "eligible",
                          "delay_value",
                          "delay_unit",
                          "send_on_weekdays",
                          "audience_mode"
                        ],
                        "type": "object"
                      },
                      "maxItems": 100,
                      "type": "array"
                    },
                    "sequence_id": {
                      "type": "string"
                    },
                    "side_effect_free": {
                      "enum": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "subscriber_eligible": {
                      "type": "boolean"
                    },
                    "subscriber_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "sequence_id",
                    "subscriber_id",
                    "subscriber_eligible",
                    "side_effect_free",
                    "emails"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "previewSequenceJourney",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/SequenceJourneyPreview"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Preview a sequence journey"
            }
          },
          {
            "name": "sequences_send_test",
            "title": "Send sequence test messages",
            "description": "Sends up to five selected saved Sequence emails to one explicit test address. This does not enroll a Subscriber, start the Sequence, or write delivery activity. Effect: external-email. Retry with the same idempotency_key. Permissions: live_actions:write, subscribers:read, sequences:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "WorkflowTestRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "message_ids": {
                      "description": "Optional Sequence email IDs or Automation step IDs. Omit to test the first five available messages.",
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 5,
                      "type": "array",
                      "uniqueItems": true
                    },
                    "recipient": {
                      "format": "email",
                      "type": "string"
                    },
                    "subscriber_id": {
                      "description": "The saved Subscriber whose personalization should be rendered in every test message.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "recipient",
                    "subscriber_id"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/WorkflowTestRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                },
                "sequence_id": {
                  "description": "The Sequence identifier.",
                  "type": "string"
                }
              },
              "required": [
                "sequence_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "WorkflowTestResult": {
                  "additionalProperties": false,
                  "properties": {
                    "message_ids": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 5,
                      "type": "array"
                    },
                    "provider_message_ids": {
                      "description": "Provider acceptance IDs in sent-message order; null when unavailable. These are not delivery or inbox receipts.",
                      "items": {
                        "anyOf": [
                          {
                            "maxLength": 200,
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "maxItems": 5,
                      "minItems": 1,
                      "type": "array"
                    },
                    "sent_count": {
                      "maximum": 5,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "status": {
                      "enum": [
                        "completed"
                      ],
                      "type": "string"
                    },
                    "subscriber_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "status",
                    "sent_count",
                    "message_ids",
                    "subscriber_id"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "testSequence",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/WorkflowTestResult"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": false,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Send sequence test messages"
            }
          },
          {
            "name": "sequences_update_status",
            "title": "Activate or pause a sequence",
            "description": "Starts or pauses one Sequence without changing its content or delivery settings. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, sequences:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "SequenceStatusRequest": {
                  "properties": {
                    "status": {
                      "enum": [
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "status"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SequenceStatusRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "sequence_id": {
                  "description": "The Sequence identifier.",
                  "type": "string"
                }
              },
              "required": [
                "sequence_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AudienceCondition": {
                  "additionalProperties": false,
                  "properties": {
                    "customFieldId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "field": {
                      "enum": [
                        "subscriber_status",
                        "country",
                        "segment",
                        "tag",
                        "sequence",
                        "form",
                        "custom_field",
                        "email_opened",
                        "email_unsubscribed",
                        "magic_link_clicked"
                      ],
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not",
                        "has_any_of",
                        "has_none_of",
                        "is_active_in_any_of",
                        "is_not_active_in_any_of",
                        "has_completed_any_of",
                        "has_not_completed_any_of",
                        "has_ever_been_in_any_of",
                        "has_never_been_in_any_of",
                        "contains",
                        "does_not_contain",
                        "is_empty",
                        "is_not_empty",
                        "before",
                        "after",
                        "on",
                        "in_last_days",
                        "greater_than",
                        "less_than",
                        "in_region",
                        "not_in_region"
                      ],
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "field",
                    "operator"
                  ],
                  "type": "object"
                },
                "AudienceConditionGroup": {
                  "additionalProperties": false,
                  "properties": {
                    "conditions": {
                      "items": {
                        "$ref": "#/$defs/AudienceCondition"
                      },
                      "minItems": 1,
                      "type": "array"
                    },
                    "id": {
                      "type": "string"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "match",
                    "conditions"
                  ],
                  "type": "object"
                },
                "AudienceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "groups": [
                      {
                        "conditions": [
                          {
                            "field": "subscriber_status",
                            "id": "active-status",
                            "operator": "is",
                            "value": [
                              "Active"
                            ]
                          }
                        ],
                        "id": "active-subscribers",
                        "match": "all"
                      }
                    ],
                    "match": "all"
                  },
                  "examples": [
                    {
                      "groups": [
                        {
                          "conditions": [
                            {
                              "field": "subscriber_status",
                              "id": "active-status",
                              "operator": "is",
                              "value": [
                                "Active"
                              ]
                            }
                          ],
                          "id": "active-subscribers",
                          "match": "all"
                        }
                      ],
                      "match": "all"
                    }
                  ],
                  "properties": {
                    "groups": {
                      "items": {
                        "$ref": "#/$defs/AudienceConditionGroup"
                      },
                      "type": "array"
                    },
                    "match": {
                      "enum": [
                        "all",
                        "any"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "match",
                    "groups"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastSendProgress": {
                  "properties": {
                    "accepted": {
                      "type": "integer"
                    },
                    "canceled": {
                      "type": "integer"
                    },
                    "effective_rate": {
                      "type": "number"
                    },
                    "estimated_completion": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "estimated_completion_basis": {
                      "anyOf": [
                        {
                          "description": "Whether the estimate uses only the current rate or also includes known provider quota windows.",
                          "enum": [
                            "current-rate",
                            "provider-quota"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "last_progress_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "materialized": {
                      "type": "integer"
                    },
                    "next_retry_action": {
                      "anyOf": [
                        {
                          "description": "Whether the next time is a known quota reset or another connection check.",
                          "enum": [
                            "resume",
                            "recheck"
                          ],
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "next_retry_at": {
                      "anyOf": [
                        {
                          "format": "date-time",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_message": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "pause_reason": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "percent_complete": {
                      "type": "number"
                    },
                    "permanent_failed": {
                      "type": "integer"
                    },
                    "phase": {
                      "enum": [
                        "preparing",
                        "sending",
                        "paused",
                        "canceling",
                        "sent",
                        "sent_with_errors",
                        "canceled",
                        "failed"
                      ],
                      "type": "string"
                    },
                    "provider": {
                      "anyOf": [
                        {
                          "description": "The email delivery provider used by this send.",
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "provider_limited_rate": {
                      "anyOf": [
                        {
                          "type": "number"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "retrying": {
                      "type": "integer"
                    },
                    "run_id": {
                      "type": "string"
                    },
                    "selected": {
                      "type": "integer"
                    },
                    "sent": {
                      "type": "integer"
                    },
                    "skipped": {
                      "type": "integer"
                    },
                    "terminal": {
                      "type": "boolean"
                    },
                    "unknown": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "run_id",
                    "phase",
                    "selected",
                    "materialized",
                    "sent",
                    "accepted",
                    "skipped",
                    "retrying",
                    "permanent_failed",
                    "unknown",
                    "canceled",
                    "percent_complete",
                    "effective_rate",
                    "provider_limited_rate",
                    "provider",
                    "estimated_completion",
                    "estimated_completion_basis",
                    "last_progress_at",
                    "pause_reason",
                    "next_retry_at",
                    "next_retry_action",
                    "pause_message",
                    "terminal"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                },
                "Sequence": {
                  "properties": {
                    "bounced_count": {
                      "type": "integer"
                    },
                    "click_rate": {
                      "type": "integer"
                    },
                    "complained_count": {
                      "type": "integer"
                    },
                    "connection_id": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/SequenceDefinition"
                    },
                    "from_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "from_name": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Sequence change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "open_rate": {
                      "type": "integer"
                    },
                    "reply_to_email": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "send_progress": {
                      "anyOf": [
                        {
                          "allOf": [
                            {
                              "$ref": "#/$defs/BroadcastSendProgress"
                            }
                          ]
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "status": {
                      "enum": [
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "track_clicks": {
                      "type": "boolean"
                    },
                    "track_opens": {
                      "type": "boolean"
                    },
                    "unsubscribed_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "utm_campaign": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_content": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_medium": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_source": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "utm_term": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "connection_id",
                    "from_name",
                    "from_email",
                    "reply_to_email",
                    "track_opens",
                    "track_clicks",
                    "utm_source",
                    "utm_medium",
                    "utm_campaign",
                    "utm_term",
                    "utm_content",
                    "definition",
                    "subscriber_count",
                    "open_rate",
                    "click_rate",
                    "unsubscribed_count",
                    "bounced_count",
                    "complained_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "SequenceDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "emails": [
                      {
                        "audienceDefinition": null,
                        "audienceMode": "all",
                        "bodyDocument": {
                          "content": [
                            {
                              "content": [
                                {
                                  "text": "Welcome to the newsletter.",
                                  "type": "text"
                                }
                              ],
                              "type": "paragraph"
                            }
                          ],
                          "type": "doc"
                        },
                        "delayUnit": "day",
                        "delayValue": 0,
                        "id": "welcome",
                        "previewText": "Thanks for joining",
                        "sendOnWeekdays": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri"
                        ],
                        "status": "Published",
                        "subject": "Welcome"
                      }
                    ]
                  },
                  "examples": [
                    {
                      "emails": [
                        {
                          "audienceDefinition": null,
                          "audienceMode": "all",
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to the newsletter.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "delayUnit": "day",
                          "delayValue": 0,
                          "id": "welcome",
                          "previewText": "Thanks for joining",
                          "sendOnWeekdays": [
                            "Mon",
                            "Tue",
                            "Wed",
                            "Thu",
                            "Fri"
                          ],
                          "status": "Published",
                          "subject": "Welcome"
                        }
                      ]
                    }
                  ],
                  "properties": {
                    "defaultTemplateId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "emails": {
                      "items": {
                        "$ref": "#/$defs/SequenceEmail"
                      },
                      "type": "array"
                    },
                    "excludeAudienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "restartSequenceForCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendNewEmailsToCompletedSubscribers": {
                      "type": "boolean"
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    }
                  },
                  "required": [
                    "emails"
                  ],
                  "type": "object"
                },
                "SequenceEmail": {
                  "additionalProperties": false,
                  "properties": {
                    "audienceDefinition": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AudienceDefinition"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "audienceMode": {
                      "enum": [
                        "all",
                        "include",
                        "exclude"
                      ],
                      "type": "string"
                    },
                    "body": {
                      "description": "Rendered HTML returned by Mailrith. Agents should send bodyDocument when creating or updating a Sequence.",
                      "readOnly": true,
                      "type": "string"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "delayUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day"
                      ],
                      "type": "string"
                    },
                    "delayValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "id": {
                      "type": "string"
                    },
                    "previewText": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "sendOnWeekdays": {
                      "items": {
                        "enum": [
                          "Mon",
                          "Tue",
                          "Wed",
                          "Thu",
                          "Fri",
                          "Sat",
                          "Sun"
                        ],
                        "type": "string"
                      },
                      "type": "array",
                      "uniqueItems": true
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "status": {
                      "enum": [
                        "Draft",
                        "Published"
                      ],
                      "type": "string"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "subject",
                    "previewText",
                    "bodyDocument",
                    "status",
                    "delayValue",
                    "delayUnit",
                    "sendOnWeekdays"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateSequenceStatus",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Sequence"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Activate or pause a sequence"
            }
          },
          {
            "name": "automations_list",
            "title": "List automations",
            "description": "Returns automations in the authenticated workspace. Permission: automations:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum number of automations to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter Automations by name or status.",
                  "maxLength": 200,
                  "type": "string"
                },
                "starting_after": {
                  "description": "Use the opaque cursor from the previous page to request the next page.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AutomationSummary": {
                  "additionalProperties": false,
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listAutomations",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/AutomationSummary"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List automations"
            }
          },
          {
            "name": "automations_create",
            "title": "Create an automation",
            "description": "Creates an automation in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: automations:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AutomationDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "steps": [
                      {
                        "config": {
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to Mailrith.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "previewText": "Thanks for joining",
                          "replyToEmail": "",
                          "subject": "Welcome",
                          "trackClicks": true,
                          "trackOpens": true,
                          "utmCampaign": "",
                          "utmContent": "",
                          "utmMedium": "",
                          "utmSource": "",
                          "utmTerm": ""
                        },
                        "id": "send-welcome-email",
                        "kind": "action",
                        "type": "send_email"
                      }
                    ],
                    "trigger": {
                      "tagIds": [
                        "tag_welcome"
                      ],
                      "type": "tag_added"
                    },
                    "version": 2
                  },
                  "examples": [
                    {
                      "steps": [
                        {
                          "config": {
                            "bodyDocument": {
                              "content": [
                                {
                                  "content": [
                                    {
                                      "text": "Welcome to Mailrith.",
                                      "type": "text"
                                    }
                                  ],
                                  "type": "paragraph"
                                }
                              ],
                              "type": "doc"
                            },
                            "previewText": "Thanks for joining",
                            "replyToEmail": "",
                            "subject": "Welcome",
                            "trackClicks": true,
                            "trackOpens": true,
                            "utmCampaign": "",
                            "utmContent": "",
                            "utmMedium": "",
                            "utmSource": "",
                            "utmTerm": ""
                          },
                          "id": "send-welcome-email",
                          "kind": "action",
                          "type": "send_email"
                        }
                      ],
                      "trigger": {
                        "tagIds": [
                          "tag_welcome"
                        ],
                        "type": "tag_added"
                      },
                      "version": 2
                    }
                  ],
                  "properties": {
                    "entryPoints": {
                      "items": {
                        "$ref": "#/$defs/AutomationEntryPoint"
                      },
                      "type": "array"
                    },
                    "steps": {
                      "items": {
                        "$ref": "#/$defs/AutomationStep"
                      },
                      "maxItems": 256,
                      "type": "array"
                    },
                    "trigger": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AutomationTrigger"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "triggers": {
                      "items": {
                        "$ref": "#/$defs/AutomationTrigger"
                      },
                      "type": "array"
                    },
                    "version": {
                      "enum": [
                        2
                      ],
                      "type": "integer"
                    }
                  },
                  "required": [
                    "steps"
                  ],
                  "type": "object"
                },
                "AutomationEntryPoint": {
                  "additionalProperties": false,
                  "properties": {
                    "description": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "trigger": {
                      "$ref": "#/$defs/AutomationTrigger"
                    }
                  },
                  "required": [
                    "id",
                    "trigger"
                  ],
                  "type": "object"
                },
                "AutomationPath": {
                  "additionalProperties": false,
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "weight": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "label"
                  ],
                  "type": "object"
                },
                "AutomationStep": {
                  "additionalProperties": false,
                  "properties": {
                    "branches": {
                      "additionalProperties": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "type": "object"
                    },
                    "config": {
                      "$ref": "#/$defs/AutomationStepConfig"
                    },
                    "id": {
                      "type": "string"
                    },
                    "kind": {
                      "enum": [
                        "event",
                        "action",
                        "condition"
                      ],
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "paths": {
                      "items": {
                        "$ref": "#/$defs/AutomationPath"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "sequence_completed",
                        "add_tag",
                        "remove_tag",
                        "add_to_sequence",
                        "remove_from_sequence",
                        "change_subscriber_status",
                        "wait",
                        "update_custom_field",
                        "send_email",
                        "send_internal_notification",
                        "start_automation",
                        "remove_from_automation",
                        "webhook",
                        "end_automation",
                        "has_tag",
                        "custom_field_match",
                        "sequence_membership",
                        "subscriber_status",
                        "email_opened",
                        "email_clicked"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "kind",
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationStepConfig": {
                  "additionalProperties": false,
                  "properties": {
                    "authType": {
                      "enum": [
                        "none",
                        "bearer"
                      ],
                      "type": "string"
                    },
                    "automationId": {
                      "type": "string"
                    },
                    "bearerToken": {
                      "type": "string",
                      "writeOnly": true
                    },
                    "bearerTokenConfigured": {
                      "description": "True when Mailrith has a saved webhook bearer token. Send this unchanged during an update to preserve the saved value. The token value is never returned.",
                      "type": "boolean"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "customFieldId": {
                      "type": "string"
                    },
                    "date": {
                      "format": "date",
                      "type": "string"
                    },
                    "dateSource": {
                      "enum": [
                        "custom_field",
                        "fixed_date"
                      ],
                      "type": "string"
                    },
                    "durationUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day",
                        "week"
                      ],
                      "type": "string"
                    },
                    "durationValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "emailId": {
                      "type": "string"
                    },
                    "exitNextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "headers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "configured": {
                            "description": "True when Mailrith has a saved value for this header. Send this unchanged during an update to preserve the saved value.",
                            "type": "boolean"
                          },
                          "key": {
                            "type": "string"
                          },
                          "value": {
                            "description": "A secret header value accepted on writes and never returned.",
                            "type": "string",
                            "writeOnly": true
                          }
                        },
                        "required": [
                          "key"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "includeCustomFields": {
                      "type": "boolean"
                    },
                    "includeSubscriber": {
                      "type": "boolean"
                    },
                    "includeTags": {
                      "type": "boolean"
                    },
                    "lookbackDays": {
                      "minimum": 1,
                      "type": "integer"
                    },
                    "magicLinkId": {
                      "type": "string"
                    },
                    "method": {
                      "enum": [
                        "POST",
                        "PUT",
                        "PATCH"
                      ],
                      "type": "string"
                    },
                    "mode": {
                      "enum": [
                        "duration",
                        "until_custom_date",
                        "until_custom_field_date"
                      ],
                      "type": "string"
                    },
                    "operation": {
                      "enum": [
                        "set",
                        "clear",
                        "increment",
                        "decrement",
                        "set_today",
                        "add_choices",
                        "remove_choices",
                        "set_true",
                        "set_false",
                        "toggle"
                      ],
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "equals",
                        "not_equals",
                        "contains",
                        "not_contains",
                        "starts_with",
                        "ends_with",
                        "exists",
                        "missing",
                        "greater_than",
                        "greater_than_or_equal",
                        "less_than",
                        "less_than_or_equal",
                        "on",
                        "not_on",
                        "before",
                        "on_or_before",
                        "after",
                        "on_or_after",
                        "contains_any",
                        "contains_all",
                        "does_not_contain_any",
                        "is_checked",
                        "is_not_checked"
                      ],
                      "type": "string"
                    },
                    "previewText": {
                      "type": "string"
                    },
                    "recipientEmail": {
                      "format": "email",
                      "type": "string"
                    },
                    "replyToEmail": {
                      "type": "string"
                    },
                    "sequenceId": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "tagId": {
                      "type": "string"
                    },
                    "timeOfDay": {
                      "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$",
                      "type": "string"
                    },
                    "trackClicks": {
                      "type": "boolean"
                    },
                    "trackOpens": {
                      "type": "boolean"
                    },
                    "url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "utmCampaign": {
                      "type": "string"
                    },
                    "utmContent": {
                      "type": "string"
                    },
                    "utmMedium": {
                      "type": "string"
                    },
                    "utmSource": {
                      "type": "string"
                    },
                    "utmTerm": {
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "waitForCompletion": {
                      "type": "boolean"
                    },
                    "waitMode": {
                      "enum": [
                        "duration",
                        "custom_date"
                      ],
                      "type": "string"
                    },
                    "waitUntilComplete": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "AutomationTrigger": {
                  "additionalProperties": false,
                  "properties": {
                    "magicLinkId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "magicLinkIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not"
                      ],
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "enum": [
                          "Active",
                          "Unconfirmed",
                          "Unsubscribed",
                          "Complained",
                          "Bounced",
                          "Blocked"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "tagId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "tagIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "subscriber_status"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationUpsertRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "definition": {
                      "$ref": "#/$defs/AutomationDefinition"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "name",
                    "definition"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/AutomationUpsertRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Automation": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/AutomationDefinition"
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Automation change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "definition",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "AutomationDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "steps": [
                      {
                        "config": {
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to Mailrith.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "previewText": "Thanks for joining",
                          "replyToEmail": "",
                          "subject": "Welcome",
                          "trackClicks": true,
                          "trackOpens": true,
                          "utmCampaign": "",
                          "utmContent": "",
                          "utmMedium": "",
                          "utmSource": "",
                          "utmTerm": ""
                        },
                        "id": "send-welcome-email",
                        "kind": "action",
                        "type": "send_email"
                      }
                    ],
                    "trigger": {
                      "tagIds": [
                        "tag_welcome"
                      ],
                      "type": "tag_added"
                    },
                    "version": 2
                  },
                  "examples": [
                    {
                      "steps": [
                        {
                          "config": {
                            "bodyDocument": {
                              "content": [
                                {
                                  "content": [
                                    {
                                      "text": "Welcome to Mailrith.",
                                      "type": "text"
                                    }
                                  ],
                                  "type": "paragraph"
                                }
                              ],
                              "type": "doc"
                            },
                            "previewText": "Thanks for joining",
                            "replyToEmail": "",
                            "subject": "Welcome",
                            "trackClicks": true,
                            "trackOpens": true,
                            "utmCampaign": "",
                            "utmContent": "",
                            "utmMedium": "",
                            "utmSource": "",
                            "utmTerm": ""
                          },
                          "id": "send-welcome-email",
                          "kind": "action",
                          "type": "send_email"
                        }
                      ],
                      "trigger": {
                        "tagIds": [
                          "tag_welcome"
                        ],
                        "type": "tag_added"
                      },
                      "version": 2
                    }
                  ],
                  "properties": {
                    "entryPoints": {
                      "items": {
                        "$ref": "#/$defs/AutomationEntryPoint"
                      },
                      "type": "array"
                    },
                    "steps": {
                      "items": {
                        "$ref": "#/$defs/AutomationStep"
                      },
                      "maxItems": 256,
                      "type": "array"
                    },
                    "trigger": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AutomationTrigger"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "triggers": {
                      "items": {
                        "$ref": "#/$defs/AutomationTrigger"
                      },
                      "type": "array"
                    },
                    "version": {
                      "enum": [
                        2
                      ],
                      "type": "integer"
                    }
                  },
                  "required": [
                    "steps"
                  ],
                  "type": "object"
                },
                "AutomationEntryPoint": {
                  "additionalProperties": false,
                  "properties": {
                    "description": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "trigger": {
                      "$ref": "#/$defs/AutomationTrigger"
                    }
                  },
                  "required": [
                    "id",
                    "trigger"
                  ],
                  "type": "object"
                },
                "AutomationPath": {
                  "additionalProperties": false,
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "weight": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "label"
                  ],
                  "type": "object"
                },
                "AutomationStep": {
                  "additionalProperties": false,
                  "properties": {
                    "branches": {
                      "additionalProperties": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "type": "object"
                    },
                    "config": {
                      "$ref": "#/$defs/AutomationStepConfig"
                    },
                    "id": {
                      "type": "string"
                    },
                    "kind": {
                      "enum": [
                        "event",
                        "action",
                        "condition"
                      ],
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "paths": {
                      "items": {
                        "$ref": "#/$defs/AutomationPath"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "sequence_completed",
                        "add_tag",
                        "remove_tag",
                        "add_to_sequence",
                        "remove_from_sequence",
                        "change_subscriber_status",
                        "wait",
                        "update_custom_field",
                        "send_email",
                        "send_internal_notification",
                        "start_automation",
                        "remove_from_automation",
                        "webhook",
                        "end_automation",
                        "has_tag",
                        "custom_field_match",
                        "sequence_membership",
                        "subscriber_status",
                        "email_opened",
                        "email_clicked"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "kind",
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationStepConfig": {
                  "additionalProperties": false,
                  "properties": {
                    "authType": {
                      "enum": [
                        "none",
                        "bearer"
                      ],
                      "type": "string"
                    },
                    "automationId": {
                      "type": "string"
                    },
                    "bearerTokenConfigured": {
                      "description": "True when Mailrith has a saved webhook bearer token. Send this unchanged during an update to preserve the saved value. The token value is never returned.",
                      "type": "boolean"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "customFieldId": {
                      "type": "string"
                    },
                    "date": {
                      "format": "date",
                      "type": "string"
                    },
                    "dateSource": {
                      "enum": [
                        "custom_field",
                        "fixed_date"
                      ],
                      "type": "string"
                    },
                    "durationUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day",
                        "week"
                      ],
                      "type": "string"
                    },
                    "durationValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "emailId": {
                      "type": "string"
                    },
                    "exitNextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "headers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "configured": {
                            "description": "True when Mailrith has a saved value for this header. Send this unchanged during an update to preserve the saved value.",
                            "type": "boolean"
                          },
                          "key": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "key"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "includeCustomFields": {
                      "type": "boolean"
                    },
                    "includeSubscriber": {
                      "type": "boolean"
                    },
                    "includeTags": {
                      "type": "boolean"
                    },
                    "lookbackDays": {
                      "minimum": 1,
                      "type": "integer"
                    },
                    "magicLinkId": {
                      "type": "string"
                    },
                    "method": {
                      "enum": [
                        "POST",
                        "PUT",
                        "PATCH"
                      ],
                      "type": "string"
                    },
                    "mode": {
                      "enum": [
                        "duration",
                        "until_custom_date",
                        "until_custom_field_date"
                      ],
                      "type": "string"
                    },
                    "operation": {
                      "enum": [
                        "set",
                        "clear",
                        "increment",
                        "decrement",
                        "set_today",
                        "add_choices",
                        "remove_choices",
                        "set_true",
                        "set_false",
                        "toggle"
                      ],
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "equals",
                        "not_equals",
                        "contains",
                        "not_contains",
                        "starts_with",
                        "ends_with",
                        "exists",
                        "missing",
                        "greater_than",
                        "greater_than_or_equal",
                        "less_than",
                        "less_than_or_equal",
                        "on",
                        "not_on",
                        "before",
                        "on_or_before",
                        "after",
                        "on_or_after",
                        "contains_any",
                        "contains_all",
                        "does_not_contain_any",
                        "is_checked",
                        "is_not_checked"
                      ],
                      "type": "string"
                    },
                    "previewText": {
                      "type": "string"
                    },
                    "recipientEmail": {
                      "format": "email",
                      "type": "string"
                    },
                    "replyToEmail": {
                      "type": "string"
                    },
                    "sequenceId": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "tagId": {
                      "type": "string"
                    },
                    "timeOfDay": {
                      "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$",
                      "type": "string"
                    },
                    "trackClicks": {
                      "type": "boolean"
                    },
                    "trackOpens": {
                      "type": "boolean"
                    },
                    "url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "utmCampaign": {
                      "type": "string"
                    },
                    "utmContent": {
                      "type": "string"
                    },
                    "utmMedium": {
                      "type": "string"
                    },
                    "utmSource": {
                      "type": "string"
                    },
                    "utmTerm": {
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "waitForCompletion": {
                      "type": "boolean"
                    },
                    "waitMode": {
                      "enum": [
                        "duration",
                        "custom_date"
                      ],
                      "type": "string"
                    },
                    "waitUntilComplete": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "AutomationTrigger": {
                  "additionalProperties": false,
                  "properties": {
                    "magicLinkId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "magicLinkIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not"
                      ],
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "enum": [
                          "Active",
                          "Unconfirmed",
                          "Unsubscribed",
                          "Complained",
                          "Bounced",
                          "Blocked"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "tagId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "tagIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "subscriber_status"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "createAutomation",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Automation"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": false,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Create an automation"
            }
          },
          {
            "name": "automations_get",
            "title": "Get an automation",
            "description": "Returns one automation from the authenticated workspace. Permission: automations:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "automation_id": {
                  "description": "The automation identifier.",
                  "type": "string"
                }
              },
              "required": [
                "automation_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Automation": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/AutomationDefinition"
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Automation change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "definition",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "AutomationDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "steps": [
                      {
                        "config": {
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to Mailrith.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "previewText": "Thanks for joining",
                          "replyToEmail": "",
                          "subject": "Welcome",
                          "trackClicks": true,
                          "trackOpens": true,
                          "utmCampaign": "",
                          "utmContent": "",
                          "utmMedium": "",
                          "utmSource": "",
                          "utmTerm": ""
                        },
                        "id": "send-welcome-email",
                        "kind": "action",
                        "type": "send_email"
                      }
                    ],
                    "trigger": {
                      "tagIds": [
                        "tag_welcome"
                      ],
                      "type": "tag_added"
                    },
                    "version": 2
                  },
                  "examples": [
                    {
                      "steps": [
                        {
                          "config": {
                            "bodyDocument": {
                              "content": [
                                {
                                  "content": [
                                    {
                                      "text": "Welcome to Mailrith.",
                                      "type": "text"
                                    }
                                  ],
                                  "type": "paragraph"
                                }
                              ],
                              "type": "doc"
                            },
                            "previewText": "Thanks for joining",
                            "replyToEmail": "",
                            "subject": "Welcome",
                            "trackClicks": true,
                            "trackOpens": true,
                            "utmCampaign": "",
                            "utmContent": "",
                            "utmMedium": "",
                            "utmSource": "",
                            "utmTerm": ""
                          },
                          "id": "send-welcome-email",
                          "kind": "action",
                          "type": "send_email"
                        }
                      ],
                      "trigger": {
                        "tagIds": [
                          "tag_welcome"
                        ],
                        "type": "tag_added"
                      },
                      "version": 2
                    }
                  ],
                  "properties": {
                    "entryPoints": {
                      "items": {
                        "$ref": "#/$defs/AutomationEntryPoint"
                      },
                      "type": "array"
                    },
                    "steps": {
                      "items": {
                        "$ref": "#/$defs/AutomationStep"
                      },
                      "maxItems": 256,
                      "type": "array"
                    },
                    "trigger": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AutomationTrigger"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "triggers": {
                      "items": {
                        "$ref": "#/$defs/AutomationTrigger"
                      },
                      "type": "array"
                    },
                    "version": {
                      "enum": [
                        2
                      ],
                      "type": "integer"
                    }
                  },
                  "required": [
                    "steps"
                  ],
                  "type": "object"
                },
                "AutomationEntryPoint": {
                  "additionalProperties": false,
                  "properties": {
                    "description": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "trigger": {
                      "$ref": "#/$defs/AutomationTrigger"
                    }
                  },
                  "required": [
                    "id",
                    "trigger"
                  ],
                  "type": "object"
                },
                "AutomationPath": {
                  "additionalProperties": false,
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "weight": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "label"
                  ],
                  "type": "object"
                },
                "AutomationStep": {
                  "additionalProperties": false,
                  "properties": {
                    "branches": {
                      "additionalProperties": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "type": "object"
                    },
                    "config": {
                      "$ref": "#/$defs/AutomationStepConfig"
                    },
                    "id": {
                      "type": "string"
                    },
                    "kind": {
                      "enum": [
                        "event",
                        "action",
                        "condition"
                      ],
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "paths": {
                      "items": {
                        "$ref": "#/$defs/AutomationPath"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "sequence_completed",
                        "add_tag",
                        "remove_tag",
                        "add_to_sequence",
                        "remove_from_sequence",
                        "change_subscriber_status",
                        "wait",
                        "update_custom_field",
                        "send_email",
                        "send_internal_notification",
                        "start_automation",
                        "remove_from_automation",
                        "webhook",
                        "end_automation",
                        "has_tag",
                        "custom_field_match",
                        "sequence_membership",
                        "subscriber_status",
                        "email_opened",
                        "email_clicked"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "kind",
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationStepConfig": {
                  "additionalProperties": false,
                  "properties": {
                    "authType": {
                      "enum": [
                        "none",
                        "bearer"
                      ],
                      "type": "string"
                    },
                    "automationId": {
                      "type": "string"
                    },
                    "bearerTokenConfigured": {
                      "description": "True when Mailrith has a saved webhook bearer token. Send this unchanged during an update to preserve the saved value. The token value is never returned.",
                      "type": "boolean"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "customFieldId": {
                      "type": "string"
                    },
                    "date": {
                      "format": "date",
                      "type": "string"
                    },
                    "dateSource": {
                      "enum": [
                        "custom_field",
                        "fixed_date"
                      ],
                      "type": "string"
                    },
                    "durationUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day",
                        "week"
                      ],
                      "type": "string"
                    },
                    "durationValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "emailId": {
                      "type": "string"
                    },
                    "exitNextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "headers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "configured": {
                            "description": "True when Mailrith has a saved value for this header. Send this unchanged during an update to preserve the saved value.",
                            "type": "boolean"
                          },
                          "key": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "key"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "includeCustomFields": {
                      "type": "boolean"
                    },
                    "includeSubscriber": {
                      "type": "boolean"
                    },
                    "includeTags": {
                      "type": "boolean"
                    },
                    "lookbackDays": {
                      "minimum": 1,
                      "type": "integer"
                    },
                    "magicLinkId": {
                      "type": "string"
                    },
                    "method": {
                      "enum": [
                        "POST",
                        "PUT",
                        "PATCH"
                      ],
                      "type": "string"
                    },
                    "mode": {
                      "enum": [
                        "duration",
                        "until_custom_date",
                        "until_custom_field_date"
                      ],
                      "type": "string"
                    },
                    "operation": {
                      "enum": [
                        "set",
                        "clear",
                        "increment",
                        "decrement",
                        "set_today",
                        "add_choices",
                        "remove_choices",
                        "set_true",
                        "set_false",
                        "toggle"
                      ],
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "equals",
                        "not_equals",
                        "contains",
                        "not_contains",
                        "starts_with",
                        "ends_with",
                        "exists",
                        "missing",
                        "greater_than",
                        "greater_than_or_equal",
                        "less_than",
                        "less_than_or_equal",
                        "on",
                        "not_on",
                        "before",
                        "on_or_before",
                        "after",
                        "on_or_after",
                        "contains_any",
                        "contains_all",
                        "does_not_contain_any",
                        "is_checked",
                        "is_not_checked"
                      ],
                      "type": "string"
                    },
                    "previewText": {
                      "type": "string"
                    },
                    "recipientEmail": {
                      "format": "email",
                      "type": "string"
                    },
                    "replyToEmail": {
                      "type": "string"
                    },
                    "sequenceId": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "tagId": {
                      "type": "string"
                    },
                    "timeOfDay": {
                      "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$",
                      "type": "string"
                    },
                    "trackClicks": {
                      "type": "boolean"
                    },
                    "trackOpens": {
                      "type": "boolean"
                    },
                    "url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "utmCampaign": {
                      "type": "string"
                    },
                    "utmContent": {
                      "type": "string"
                    },
                    "utmMedium": {
                      "type": "string"
                    },
                    "utmSource": {
                      "type": "string"
                    },
                    "utmTerm": {
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "waitForCompletion": {
                      "type": "boolean"
                    },
                    "waitMode": {
                      "enum": [
                        "duration",
                        "custom_date"
                      ],
                      "type": "string"
                    },
                    "waitUntilComplete": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "AutomationTrigger": {
                  "additionalProperties": false,
                  "properties": {
                    "magicLinkId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "magicLinkIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not"
                      ],
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "enum": [
                          "Active",
                          "Unconfirmed",
                          "Unsubscribed",
                          "Complained",
                          "Bounced",
                          "Blocked"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "tagId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "tagIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "subscriber_status"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getAutomation",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Automation"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get an automation"
            }
          },
          {
            "name": "automations_update",
            "title": "Update an automation",
            "description": "Updates an existing draft or paused Automation. Before changing a running Automation, read it by ID, retain its status in the current task only, pause it, apply the update, and use bounded direct item reads until is_updating is false. Run preflight, return it to running only if it was running before and preflight passes, and verify the final status. If the update fails before changing the Automation, restore its prior running status when preflight passes. If readiness or the prior status cannot be restored, leave it paused and immediately report the failure; never activate an Automation that was not already running. Effect: workspace-change. Retry after reading the current resource state. Permission: automations:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AutomationDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "steps": [
                      {
                        "config": {
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to Mailrith.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "previewText": "Thanks for joining",
                          "replyToEmail": "",
                          "subject": "Welcome",
                          "trackClicks": true,
                          "trackOpens": true,
                          "utmCampaign": "",
                          "utmContent": "",
                          "utmMedium": "",
                          "utmSource": "",
                          "utmTerm": ""
                        },
                        "id": "send-welcome-email",
                        "kind": "action",
                        "type": "send_email"
                      }
                    ],
                    "trigger": {
                      "tagIds": [
                        "tag_welcome"
                      ],
                      "type": "tag_added"
                    },
                    "version": 2
                  },
                  "examples": [
                    {
                      "steps": [
                        {
                          "config": {
                            "bodyDocument": {
                              "content": [
                                {
                                  "content": [
                                    {
                                      "text": "Welcome to Mailrith.",
                                      "type": "text"
                                    }
                                  ],
                                  "type": "paragraph"
                                }
                              ],
                              "type": "doc"
                            },
                            "previewText": "Thanks for joining",
                            "replyToEmail": "",
                            "subject": "Welcome",
                            "trackClicks": true,
                            "trackOpens": true,
                            "utmCampaign": "",
                            "utmContent": "",
                            "utmMedium": "",
                            "utmSource": "",
                            "utmTerm": ""
                          },
                          "id": "send-welcome-email",
                          "kind": "action",
                          "type": "send_email"
                        }
                      ],
                      "trigger": {
                        "tagIds": [
                          "tag_welcome"
                        ],
                        "type": "tag_added"
                      },
                      "version": 2
                    }
                  ],
                  "properties": {
                    "entryPoints": {
                      "items": {
                        "$ref": "#/$defs/AutomationEntryPoint"
                      },
                      "type": "array"
                    },
                    "steps": {
                      "items": {
                        "$ref": "#/$defs/AutomationStep"
                      },
                      "maxItems": 256,
                      "type": "array"
                    },
                    "trigger": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AutomationTrigger"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "triggers": {
                      "items": {
                        "$ref": "#/$defs/AutomationTrigger"
                      },
                      "type": "array"
                    },
                    "version": {
                      "enum": [
                        2
                      ],
                      "type": "integer"
                    }
                  },
                  "required": [
                    "steps"
                  ],
                  "type": "object"
                },
                "AutomationEntryPoint": {
                  "additionalProperties": false,
                  "properties": {
                    "description": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "trigger": {
                      "$ref": "#/$defs/AutomationTrigger"
                    }
                  },
                  "required": [
                    "id",
                    "trigger"
                  ],
                  "type": "object"
                },
                "AutomationPath": {
                  "additionalProperties": false,
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "weight": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "label"
                  ],
                  "type": "object"
                },
                "AutomationStep": {
                  "additionalProperties": false,
                  "properties": {
                    "branches": {
                      "additionalProperties": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "type": "object"
                    },
                    "config": {
                      "$ref": "#/$defs/AutomationStepConfig"
                    },
                    "id": {
                      "type": "string"
                    },
                    "kind": {
                      "enum": [
                        "event",
                        "action",
                        "condition"
                      ],
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "paths": {
                      "items": {
                        "$ref": "#/$defs/AutomationPath"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "sequence_completed",
                        "add_tag",
                        "remove_tag",
                        "add_to_sequence",
                        "remove_from_sequence",
                        "change_subscriber_status",
                        "wait",
                        "update_custom_field",
                        "send_email",
                        "send_internal_notification",
                        "start_automation",
                        "remove_from_automation",
                        "webhook",
                        "end_automation",
                        "has_tag",
                        "custom_field_match",
                        "sequence_membership",
                        "subscriber_status",
                        "email_opened",
                        "email_clicked"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "kind",
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationStepConfig": {
                  "additionalProperties": false,
                  "properties": {
                    "authType": {
                      "enum": [
                        "none",
                        "bearer"
                      ],
                      "type": "string"
                    },
                    "automationId": {
                      "type": "string"
                    },
                    "bearerToken": {
                      "type": "string",
                      "writeOnly": true
                    },
                    "bearerTokenConfigured": {
                      "description": "True when Mailrith has a saved webhook bearer token. Send this unchanged during an update to preserve the saved value. The token value is never returned.",
                      "type": "boolean"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "customFieldId": {
                      "type": "string"
                    },
                    "date": {
                      "format": "date",
                      "type": "string"
                    },
                    "dateSource": {
                      "enum": [
                        "custom_field",
                        "fixed_date"
                      ],
                      "type": "string"
                    },
                    "durationUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day",
                        "week"
                      ],
                      "type": "string"
                    },
                    "durationValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "emailId": {
                      "type": "string"
                    },
                    "exitNextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "headers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "configured": {
                            "description": "True when Mailrith has a saved value for this header. Send this unchanged during an update to preserve the saved value.",
                            "type": "boolean"
                          },
                          "key": {
                            "type": "string"
                          },
                          "value": {
                            "description": "A secret header value accepted on writes and never returned.",
                            "type": "string",
                            "writeOnly": true
                          }
                        },
                        "required": [
                          "key"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "includeCustomFields": {
                      "type": "boolean"
                    },
                    "includeSubscriber": {
                      "type": "boolean"
                    },
                    "includeTags": {
                      "type": "boolean"
                    },
                    "lookbackDays": {
                      "minimum": 1,
                      "type": "integer"
                    },
                    "magicLinkId": {
                      "type": "string"
                    },
                    "method": {
                      "enum": [
                        "POST",
                        "PUT",
                        "PATCH"
                      ],
                      "type": "string"
                    },
                    "mode": {
                      "enum": [
                        "duration",
                        "until_custom_date",
                        "until_custom_field_date"
                      ],
                      "type": "string"
                    },
                    "operation": {
                      "enum": [
                        "set",
                        "clear",
                        "increment",
                        "decrement",
                        "set_today",
                        "add_choices",
                        "remove_choices",
                        "set_true",
                        "set_false",
                        "toggle"
                      ],
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "equals",
                        "not_equals",
                        "contains",
                        "not_contains",
                        "starts_with",
                        "ends_with",
                        "exists",
                        "missing",
                        "greater_than",
                        "greater_than_or_equal",
                        "less_than",
                        "less_than_or_equal",
                        "on",
                        "not_on",
                        "before",
                        "on_or_before",
                        "after",
                        "on_or_after",
                        "contains_any",
                        "contains_all",
                        "does_not_contain_any",
                        "is_checked",
                        "is_not_checked"
                      ],
                      "type": "string"
                    },
                    "previewText": {
                      "type": "string"
                    },
                    "recipientEmail": {
                      "format": "email",
                      "type": "string"
                    },
                    "replyToEmail": {
                      "type": "string"
                    },
                    "sequenceId": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "tagId": {
                      "type": "string"
                    },
                    "timeOfDay": {
                      "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$",
                      "type": "string"
                    },
                    "trackClicks": {
                      "type": "boolean"
                    },
                    "trackOpens": {
                      "type": "boolean"
                    },
                    "url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "utmCampaign": {
                      "type": "string"
                    },
                    "utmContent": {
                      "type": "string"
                    },
                    "utmMedium": {
                      "type": "string"
                    },
                    "utmSource": {
                      "type": "string"
                    },
                    "utmTerm": {
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "waitForCompletion": {
                      "type": "boolean"
                    },
                    "waitMode": {
                      "enum": [
                        "duration",
                        "custom_date"
                      ],
                      "type": "string"
                    },
                    "waitUntilComplete": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "AutomationTrigger": {
                  "additionalProperties": false,
                  "properties": {
                    "magicLinkId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "magicLinkIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not"
                      ],
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "enum": [
                          "Active",
                          "Unconfirmed",
                          "Unsubscribed",
                          "Complained",
                          "Bounced",
                          "Blocked"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "tagId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "tagIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "subscriber_status"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationUpdateRequest": {
                  "additionalProperties": false,
                  "minProperties": 1,
                  "properties": {
                    "definition": {
                      "$ref": "#/$defs/AutomationDefinition"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "automation_id": {
                  "description": "The automation identifier.",
                  "type": "string"
                },
                "body": {
                  "$ref": "#/$defs/AutomationUpdateRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                }
              },
              "required": [
                "automation_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Automation": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/AutomationDefinition"
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Automation change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "definition",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "AutomationDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "steps": [
                      {
                        "config": {
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to Mailrith.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "previewText": "Thanks for joining",
                          "replyToEmail": "",
                          "subject": "Welcome",
                          "trackClicks": true,
                          "trackOpens": true,
                          "utmCampaign": "",
                          "utmContent": "",
                          "utmMedium": "",
                          "utmSource": "",
                          "utmTerm": ""
                        },
                        "id": "send-welcome-email",
                        "kind": "action",
                        "type": "send_email"
                      }
                    ],
                    "trigger": {
                      "tagIds": [
                        "tag_welcome"
                      ],
                      "type": "tag_added"
                    },
                    "version": 2
                  },
                  "examples": [
                    {
                      "steps": [
                        {
                          "config": {
                            "bodyDocument": {
                              "content": [
                                {
                                  "content": [
                                    {
                                      "text": "Welcome to Mailrith.",
                                      "type": "text"
                                    }
                                  ],
                                  "type": "paragraph"
                                }
                              ],
                              "type": "doc"
                            },
                            "previewText": "Thanks for joining",
                            "replyToEmail": "",
                            "subject": "Welcome",
                            "trackClicks": true,
                            "trackOpens": true,
                            "utmCampaign": "",
                            "utmContent": "",
                            "utmMedium": "",
                            "utmSource": "",
                            "utmTerm": ""
                          },
                          "id": "send-welcome-email",
                          "kind": "action",
                          "type": "send_email"
                        }
                      ],
                      "trigger": {
                        "tagIds": [
                          "tag_welcome"
                        ],
                        "type": "tag_added"
                      },
                      "version": 2
                    }
                  ],
                  "properties": {
                    "entryPoints": {
                      "items": {
                        "$ref": "#/$defs/AutomationEntryPoint"
                      },
                      "type": "array"
                    },
                    "steps": {
                      "items": {
                        "$ref": "#/$defs/AutomationStep"
                      },
                      "maxItems": 256,
                      "type": "array"
                    },
                    "trigger": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AutomationTrigger"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "triggers": {
                      "items": {
                        "$ref": "#/$defs/AutomationTrigger"
                      },
                      "type": "array"
                    },
                    "version": {
                      "enum": [
                        2
                      ],
                      "type": "integer"
                    }
                  },
                  "required": [
                    "steps"
                  ],
                  "type": "object"
                },
                "AutomationEntryPoint": {
                  "additionalProperties": false,
                  "properties": {
                    "description": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "trigger": {
                      "$ref": "#/$defs/AutomationTrigger"
                    }
                  },
                  "required": [
                    "id",
                    "trigger"
                  ],
                  "type": "object"
                },
                "AutomationPath": {
                  "additionalProperties": false,
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "weight": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "label"
                  ],
                  "type": "object"
                },
                "AutomationStep": {
                  "additionalProperties": false,
                  "properties": {
                    "branches": {
                      "additionalProperties": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "type": "object"
                    },
                    "config": {
                      "$ref": "#/$defs/AutomationStepConfig"
                    },
                    "id": {
                      "type": "string"
                    },
                    "kind": {
                      "enum": [
                        "event",
                        "action",
                        "condition"
                      ],
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "paths": {
                      "items": {
                        "$ref": "#/$defs/AutomationPath"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "sequence_completed",
                        "add_tag",
                        "remove_tag",
                        "add_to_sequence",
                        "remove_from_sequence",
                        "change_subscriber_status",
                        "wait",
                        "update_custom_field",
                        "send_email",
                        "send_internal_notification",
                        "start_automation",
                        "remove_from_automation",
                        "webhook",
                        "end_automation",
                        "has_tag",
                        "custom_field_match",
                        "sequence_membership",
                        "subscriber_status",
                        "email_opened",
                        "email_clicked"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "kind",
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationStepConfig": {
                  "additionalProperties": false,
                  "properties": {
                    "authType": {
                      "enum": [
                        "none",
                        "bearer"
                      ],
                      "type": "string"
                    },
                    "automationId": {
                      "type": "string"
                    },
                    "bearerTokenConfigured": {
                      "description": "True when Mailrith has a saved webhook bearer token. Send this unchanged during an update to preserve the saved value. The token value is never returned.",
                      "type": "boolean"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "customFieldId": {
                      "type": "string"
                    },
                    "date": {
                      "format": "date",
                      "type": "string"
                    },
                    "dateSource": {
                      "enum": [
                        "custom_field",
                        "fixed_date"
                      ],
                      "type": "string"
                    },
                    "durationUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day",
                        "week"
                      ],
                      "type": "string"
                    },
                    "durationValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "emailId": {
                      "type": "string"
                    },
                    "exitNextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "headers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "configured": {
                            "description": "True when Mailrith has a saved value for this header. Send this unchanged during an update to preserve the saved value.",
                            "type": "boolean"
                          },
                          "key": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "key"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "includeCustomFields": {
                      "type": "boolean"
                    },
                    "includeSubscriber": {
                      "type": "boolean"
                    },
                    "includeTags": {
                      "type": "boolean"
                    },
                    "lookbackDays": {
                      "minimum": 1,
                      "type": "integer"
                    },
                    "magicLinkId": {
                      "type": "string"
                    },
                    "method": {
                      "enum": [
                        "POST",
                        "PUT",
                        "PATCH"
                      ],
                      "type": "string"
                    },
                    "mode": {
                      "enum": [
                        "duration",
                        "until_custom_date",
                        "until_custom_field_date"
                      ],
                      "type": "string"
                    },
                    "operation": {
                      "enum": [
                        "set",
                        "clear",
                        "increment",
                        "decrement",
                        "set_today",
                        "add_choices",
                        "remove_choices",
                        "set_true",
                        "set_false",
                        "toggle"
                      ],
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "equals",
                        "not_equals",
                        "contains",
                        "not_contains",
                        "starts_with",
                        "ends_with",
                        "exists",
                        "missing",
                        "greater_than",
                        "greater_than_or_equal",
                        "less_than",
                        "less_than_or_equal",
                        "on",
                        "not_on",
                        "before",
                        "on_or_before",
                        "after",
                        "on_or_after",
                        "contains_any",
                        "contains_all",
                        "does_not_contain_any",
                        "is_checked",
                        "is_not_checked"
                      ],
                      "type": "string"
                    },
                    "previewText": {
                      "type": "string"
                    },
                    "recipientEmail": {
                      "format": "email",
                      "type": "string"
                    },
                    "replyToEmail": {
                      "type": "string"
                    },
                    "sequenceId": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "tagId": {
                      "type": "string"
                    },
                    "timeOfDay": {
                      "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$",
                      "type": "string"
                    },
                    "trackClicks": {
                      "type": "boolean"
                    },
                    "trackOpens": {
                      "type": "boolean"
                    },
                    "url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "utmCampaign": {
                      "type": "string"
                    },
                    "utmContent": {
                      "type": "string"
                    },
                    "utmMedium": {
                      "type": "string"
                    },
                    "utmSource": {
                      "type": "string"
                    },
                    "utmTerm": {
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "waitForCompletion": {
                      "type": "boolean"
                    },
                    "waitMode": {
                      "enum": [
                        "duration",
                        "custom_date"
                      ],
                      "type": "string"
                    },
                    "waitUntilComplete": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "AutomationTrigger": {
                  "additionalProperties": false,
                  "properties": {
                    "magicLinkId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "magicLinkIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not"
                      ],
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "enum": [
                          "Active",
                          "Unconfirmed",
                          "Unsubscribed",
                          "Complained",
                          "Bounced",
                          "Blocked"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "tagId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "tagIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "subscriber_status"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateAutomation",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Automation"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Update an automation"
            }
          },
          {
            "name": "automations_preflight",
            "title": "Check automation readiness",
            "description": "Checks the saved Automation definition and email delivery prerequisite without running any action. Permission: automations:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "automation_id": {
                  "description": "The Automation identifier.",
                  "type": "string"
                }
              },
              "required": [
                "automation_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AutomationPreflight": {
                  "additionalProperties": false,
                  "properties": {
                    "automation_id": {
                      "type": "string"
                    },
                    "checked_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "checks": {
                      "items": {
                        "$ref": "#/$defs/WorkflowReadinessCheck"
                      },
                      "type": "array"
                    },
                    "email_step_count": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "ready": {
                      "type": "boolean"
                    },
                    "step_count": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "automation_id",
                    "ready",
                    "step_count",
                    "email_step_count",
                    "checks",
                    "checked_at"
                  ],
                  "type": "object"
                },
                "WorkflowReadinessCheck": {
                  "additionalProperties": false,
                  "properties": {
                    "key": {
                      "type": "string"
                    },
                    "message": {
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "passed",
                        "blocking"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "key",
                    "status",
                    "message"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "preflightAutomation",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/AutomationPreflight"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Check automation readiness"
            }
          },
          {
            "name": "automations_preview_journey",
            "title": "Preview an automation journey",
            "description": "Shows the bounded path a selected Subscriber would take through the current saved conditions without running actions or writing history. Permissions: subscribers:read, automations:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "automation_id": {
                  "description": "The Automation identifier.",
                  "type": "string"
                },
                "subscriber_id": {
                  "description": "The saved Subscriber whose current state should be evaluated.",
                  "type": "string"
                }
              },
              "required": [
                "automation_id",
                "subscriber_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "AutomationJourneyPreview": {
                  "additionalProperties": false,
                  "properties": {
                    "automation_id": {
                      "type": "string"
                    },
                    "cycle_detected": {
                      "type": "boolean"
                    },
                    "ended": {
                      "type": "boolean"
                    },
                    "evaluation_basis": {
                      "enum": [
                        "current_saved_subscriber_state"
                      ],
                      "type": "string"
                    },
                    "side_effect_free": {
                      "enum": [
                        true
                      ],
                      "type": "boolean"
                    },
                    "steps": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "condition_matched": {
                            "anyOf": [
                              {
                                "type": "boolean"
                              },
                              {
                                "type": "null"
                              }
                            ]
                          },
                          "kind": {
                            "enum": [
                              "event",
                              "action",
                              "condition"
                            ],
                            "type": "string"
                          },
                          "next_step_id": {
                            "anyOf": [
                              {
                                "type": "string"
                              },
                              {
                                "type": "null"
                              }
                            ]
                          },
                          "position": {
                            "minimum": 1,
                            "type": "integer"
                          },
                          "selected_branch": {
                            "anyOf": [
                              {
                                "enum": [
                                  "yes",
                                  "no"
                                ],
                                "type": "string"
                              },
                              {
                                "type": "null"
                              }
                            ]
                          },
                          "step_id": {
                            "type": "string"
                          },
                          "type": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "position",
                          "step_id",
                          "kind",
                          "type",
                          "condition_matched",
                          "selected_branch",
                          "next_step_id"
                        ],
                        "type": "object"
                      },
                      "maxItems": 256,
                      "type": "array"
                    },
                    "subscriber_id": {
                      "type": "string"
                    },
                    "triggers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "type": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "type"
                        ],
                        "type": "object"
                      },
                      "maxItems": 50,
                      "type": "array"
                    }
                  },
                  "required": [
                    "automation_id",
                    "subscriber_id",
                    "side_effect_free",
                    "evaluation_basis",
                    "triggers",
                    "ended",
                    "cycle_detected",
                    "steps"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "previewAutomationJourney",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/AutomationJourneyPreview"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Preview an automation journey"
            }
          },
          {
            "name": "automations_send_test",
            "title": "Send automation test messages",
            "description": "Sends up to five selected saved Automation email steps to one explicit test address. This does not start the Automation or run other actions. Effect: external-email. Retry with the same idempotency_key. Permissions: live_actions:write, subscribers:read, automations:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "WorkflowTestRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "message_ids": {
                      "description": "Optional Sequence email IDs or Automation step IDs. Omit to test the first five available messages.",
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 5,
                      "type": "array",
                      "uniqueItems": true
                    },
                    "recipient": {
                      "format": "email",
                      "type": "string"
                    },
                    "subscriber_id": {
                      "description": "The saved Subscriber whose personalization should be rendered in every test message.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "recipient",
                    "subscriber_id"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "automation_id": {
                  "description": "The Automation identifier.",
                  "type": "string"
                },
                "body": {
                  "$ref": "#/$defs/WorkflowTestRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "automation_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "WorkflowTestResult": {
                  "additionalProperties": false,
                  "properties": {
                    "message_ids": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 5,
                      "type": "array"
                    },
                    "provider_message_ids": {
                      "description": "Provider acceptance IDs in sent-message order; null when unavailable. These are not delivery or inbox receipts.",
                      "items": {
                        "anyOf": [
                          {
                            "maxLength": 200,
                            "type": "string"
                          },
                          {
                            "type": "null"
                          }
                        ]
                      },
                      "maxItems": 5,
                      "minItems": 1,
                      "type": "array"
                    },
                    "sent_count": {
                      "maximum": 5,
                      "minimum": 1,
                      "type": "integer"
                    },
                    "status": {
                      "enum": [
                        "completed"
                      ],
                      "type": "string"
                    },
                    "subscriber_id": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "status",
                    "sent_count",
                    "message_ids",
                    "subscriber_id"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "testAutomation",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/WorkflowTestResult"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": false,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Send automation test messages"
            }
          },
          {
            "name": "automations_update_status",
            "title": "Change an automation status",
            "description": "Starts, pauses, or returns one Automation to draft without changing its definition. Effect: external-email. Retry after reading the current resource state. Permissions: live_actions:write, automations:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "AutomationStatusRequest": {
                  "properties": {
                    "status": {
                      "enum": [
                        "draft",
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "status"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "automation_id": {
                  "description": "The Automation identifier.",
                  "type": "string"
                },
                "body": {
                  "$ref": "#/$defs/AutomationStatusRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                }
              },
              "required": [
                "automation_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "Automation": {
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "definition": {
                      "$ref": "#/$defs/AutomationDefinition"
                    },
                    "id": {
                      "type": "string"
                    },
                    "is_updating": {
                      "description": "True while Mailrith updates existing Subscriber progress after a structural Automation change.",
                      "type": "boolean"
                    },
                    "name": {
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "status": {
                      "enum": [
                        "draft",
                        "running",
                        "paused"
                      ],
                      "type": "string"
                    },
                    "subscriber_count": {
                      "type": "integer"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "status",
                    "is_updating",
                    "definition",
                    "subscriber_count",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "AutomationDefinition": {
                  "additionalProperties": false,
                  "example": {
                    "steps": [
                      {
                        "config": {
                          "bodyDocument": {
                            "content": [
                              {
                                "content": [
                                  {
                                    "text": "Welcome to Mailrith.",
                                    "type": "text"
                                  }
                                ],
                                "type": "paragraph"
                              }
                            ],
                            "type": "doc"
                          },
                          "previewText": "Thanks for joining",
                          "replyToEmail": "",
                          "subject": "Welcome",
                          "trackClicks": true,
                          "trackOpens": true,
                          "utmCampaign": "",
                          "utmContent": "",
                          "utmMedium": "",
                          "utmSource": "",
                          "utmTerm": ""
                        },
                        "id": "send-welcome-email",
                        "kind": "action",
                        "type": "send_email"
                      }
                    ],
                    "trigger": {
                      "tagIds": [
                        "tag_welcome"
                      ],
                      "type": "tag_added"
                    },
                    "version": 2
                  },
                  "examples": [
                    {
                      "steps": [
                        {
                          "config": {
                            "bodyDocument": {
                              "content": [
                                {
                                  "content": [
                                    {
                                      "text": "Welcome to Mailrith.",
                                      "type": "text"
                                    }
                                  ],
                                  "type": "paragraph"
                                }
                              ],
                              "type": "doc"
                            },
                            "previewText": "Thanks for joining",
                            "replyToEmail": "",
                            "subject": "Welcome",
                            "trackClicks": true,
                            "trackOpens": true,
                            "utmCampaign": "",
                            "utmContent": "",
                            "utmMedium": "",
                            "utmSource": "",
                            "utmTerm": ""
                          },
                          "id": "send-welcome-email",
                          "kind": "action",
                          "type": "send_email"
                        }
                      ],
                      "trigger": {
                        "tagIds": [
                          "tag_welcome"
                        ],
                        "type": "tag_added"
                      },
                      "version": 2
                    }
                  ],
                  "properties": {
                    "entryPoints": {
                      "items": {
                        "$ref": "#/$defs/AutomationEntryPoint"
                      },
                      "type": "array"
                    },
                    "steps": {
                      "items": {
                        "$ref": "#/$defs/AutomationStep"
                      },
                      "maxItems": 256,
                      "type": "array"
                    },
                    "trigger": {
                      "anyOf": [
                        {
                          "$ref": "#/$defs/AutomationTrigger"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "triggers": {
                      "items": {
                        "$ref": "#/$defs/AutomationTrigger"
                      },
                      "type": "array"
                    },
                    "version": {
                      "enum": [
                        2
                      ],
                      "type": "integer"
                    }
                  },
                  "required": [
                    "steps"
                  ],
                  "type": "object"
                },
                "AutomationEntryPoint": {
                  "additionalProperties": false,
                  "properties": {
                    "description": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "trigger": {
                      "$ref": "#/$defs/AutomationTrigger"
                    }
                  },
                  "required": [
                    "id",
                    "trigger"
                  ],
                  "type": "object"
                },
                "AutomationPath": {
                  "additionalProperties": false,
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "label": {
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "weight": {
                      "type": [
                        "number",
                        "null"
                      ]
                    }
                  },
                  "required": [
                    "id",
                    "label"
                  ],
                  "type": "object"
                },
                "AutomationStep": {
                  "additionalProperties": false,
                  "properties": {
                    "branches": {
                      "additionalProperties": {
                        "type": [
                          "string",
                          "null"
                        ]
                      },
                      "type": "object"
                    },
                    "config": {
                      "$ref": "#/$defs/AutomationStepConfig"
                    },
                    "id": {
                      "type": "string"
                    },
                    "kind": {
                      "enum": [
                        "event",
                        "action",
                        "condition"
                      ],
                      "type": "string"
                    },
                    "nextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "paths": {
                      "items": {
                        "$ref": "#/$defs/AutomationPath"
                      },
                      "type": "array"
                    },
                    "stats": {
                      "$ref": "#/$defs/EmailEngagementStats"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "sequence_completed",
                        "add_tag",
                        "remove_tag",
                        "add_to_sequence",
                        "remove_from_sequence",
                        "change_subscriber_status",
                        "wait",
                        "update_custom_field",
                        "send_email",
                        "send_internal_notification",
                        "start_automation",
                        "remove_from_automation",
                        "webhook",
                        "end_automation",
                        "has_tag",
                        "custom_field_match",
                        "sequence_membership",
                        "subscriber_status",
                        "email_opened",
                        "email_clicked"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "kind",
                    "type"
                  ],
                  "type": "object"
                },
                "AutomationStepConfig": {
                  "additionalProperties": false,
                  "properties": {
                    "authType": {
                      "enum": [
                        "none",
                        "bearer"
                      ],
                      "type": "string"
                    },
                    "automationId": {
                      "type": "string"
                    },
                    "bearerTokenConfigured": {
                      "description": "True when Mailrith has a saved webhook bearer token. Send this unchanged during an update to preserve the saved value. The token value is never returned.",
                      "type": "boolean"
                    },
                    "bodyDocument": {
                      "$ref": "#/$defs/BroadcastEmailDocument"
                    },
                    "customFieldId": {
                      "type": "string"
                    },
                    "date": {
                      "format": "date",
                      "type": "string"
                    },
                    "dateSource": {
                      "enum": [
                        "custom_field",
                        "fixed_date"
                      ],
                      "type": "string"
                    },
                    "durationUnit": {
                      "enum": [
                        "minute",
                        "hour",
                        "day",
                        "week"
                      ],
                      "type": "string"
                    },
                    "durationValue": {
                      "minimum": 0,
                      "type": "number"
                    },
                    "emailId": {
                      "type": "string"
                    },
                    "exitNextStepId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "headers": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "configured": {
                            "description": "True when Mailrith has a saved value for this header. Send this unchanged during an update to preserve the saved value.",
                            "type": "boolean"
                          },
                          "key": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "key"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "includeCustomFields": {
                      "type": "boolean"
                    },
                    "includeSubscriber": {
                      "type": "boolean"
                    },
                    "includeTags": {
                      "type": "boolean"
                    },
                    "lookbackDays": {
                      "minimum": 1,
                      "type": "integer"
                    },
                    "magicLinkId": {
                      "type": "string"
                    },
                    "method": {
                      "enum": [
                        "POST",
                        "PUT",
                        "PATCH"
                      ],
                      "type": "string"
                    },
                    "mode": {
                      "enum": [
                        "duration",
                        "until_custom_date",
                        "until_custom_field_date"
                      ],
                      "type": "string"
                    },
                    "operation": {
                      "enum": [
                        "set",
                        "clear",
                        "increment",
                        "decrement",
                        "set_today",
                        "add_choices",
                        "remove_choices",
                        "set_true",
                        "set_false",
                        "toggle"
                      ],
                      "type": "string"
                    },
                    "operator": {
                      "enum": [
                        "equals",
                        "not_equals",
                        "contains",
                        "not_contains",
                        "starts_with",
                        "ends_with",
                        "exists",
                        "missing",
                        "greater_than",
                        "greater_than_or_equal",
                        "less_than",
                        "less_than_or_equal",
                        "on",
                        "not_on",
                        "before",
                        "on_or_before",
                        "after",
                        "on_or_after",
                        "contains_any",
                        "contains_all",
                        "does_not_contain_any",
                        "is_checked",
                        "is_not_checked"
                      ],
                      "type": "string"
                    },
                    "previewText": {
                      "type": "string"
                    },
                    "recipientEmail": {
                      "format": "email",
                      "type": "string"
                    },
                    "replyToEmail": {
                      "type": "string"
                    },
                    "sequenceId": {
                      "type": "string"
                    },
                    "status": {
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "subject": {
                      "description": "For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                      "type": "string"
                    },
                    "tagId": {
                      "type": "string"
                    },
                    "timeOfDay": {
                      "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$",
                      "type": "string"
                    },
                    "trackClicks": {
                      "type": "boolean"
                    },
                    "trackOpens": {
                      "type": "boolean"
                    },
                    "url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "utmCampaign": {
                      "type": "string"
                    },
                    "utmContent": {
                      "type": "string"
                    },
                    "utmMedium": {
                      "type": "string"
                    },
                    "utmSource": {
                      "type": "string"
                    },
                    "utmTerm": {
                      "type": "string"
                    },
                    "value": {
                      "oneOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "number"
                        },
                        {
                          "type": "boolean"
                        },
                        {
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    },
                    "waitForCompletion": {
                      "type": "boolean"
                    },
                    "waitMode": {
                      "enum": [
                        "duration",
                        "custom_date"
                      ],
                      "type": "string"
                    },
                    "waitUntilComplete": {
                      "type": "boolean"
                    }
                  },
                  "type": "object"
                },
                "AutomationTrigger": {
                  "additionalProperties": false,
                  "properties": {
                    "magicLinkId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "magicLinkIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "operator": {
                      "enum": [
                        "is",
                        "is_not"
                      ],
                      "type": "string"
                    },
                    "statuses": {
                      "items": {
                        "enum": [
                          "Active",
                          "Unconfirmed",
                          "Unsubscribed",
                          "Complained",
                          "Bounced",
                          "Blocked"
                        ],
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "tagId": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "tagIds": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "type": {
                      "enum": [
                        "tag_added",
                        "tag_removed",
                        "magic_link_clicked",
                        "subscriber_status"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailEngagementStats": {
                  "additionalProperties": false,
                  "properties": {
                    "bouncedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "clickedSubscriberCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "complainedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "engagedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "openedCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "recipientCount": {
                      "minimum": 0,
                      "type": "integer"
                    },
                    "sentCountsByDay": {
                      "additionalProperties": {
                        "minimum": 0,
                        "type": "integer"
                      },
                      "type": "object"
                    },
                    "unsubscribedCount": {
                      "minimum": 0,
                      "type": "integer"
                    }
                  },
                  "required": [
                    "recipientCount",
                    "openedCount",
                    "clickedCount",
                    "unsubscribedCount"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateAutomationStatus",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/Automation"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": true,
              "readOnlyHint": false,
              "title": "Change an automation status"
            }
          },
          {
            "name": "email_templates_list",
            "title": "List email templates",
            "description": "Returns reusable email templates linked to the authenticated workspace. Permission: email_templates:read. Pagination: use bounded pages and returned cursors. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "description": "Maximum number of items to return.",
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                },
                "search": {
                  "description": "Filter email templates by name.",
                  "maxLength": 200,
                  "type": "string"
                },
                "starting_after": {
                  "description": "Opaque cursor returned by the previous page.",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "EmailTemplateSummary": {
                  "additionalProperties": false,
                  "properties": {
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "enabled": {
                      "type": "boolean"
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "maxLength": 160,
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "workspaces": {
                      "items": {
                        "$ref": "#/$defs/WorkspaceReference"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "enabled",
                    "workspaces",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "Pagination": {
                  "properties": {
                    "has_more": {
                      "type": "boolean"
                    },
                    "next_cursor": {
                      "anyOf": [
                        {
                          "type": "string"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "has_more",
                    "next_cursor"
                  ],
                  "type": "object"
                },
                "WorkspaceReference": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "listEmailTemplates",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "items": {
                        "$ref": "#/$defs/EmailTemplateSummary"
                      },
                      "type": "array"
                    },
                    "pagination": {
                      "$ref": "#/$defs/Pagination"
                    }
                  },
                  "required": [
                    "data",
                    "pagination"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "List email templates"
            }
          },
          {
            "name": "email_templates_create",
            "title": "Create an email template",
            "description": "Creates a reusable email template scoped to the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: email_templates:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailTemplateUpsertRequest": {
                  "additionalProperties": false,
                  "anyOf": [
                    {
                      "required": [
                        "body_document"
                      ]
                    },
                    {
                      "required": [
                        "starting_point_id"
                      ]
                    }
                  ],
                  "properties": {
                    "body_document": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/BroadcastEmailDocument"
                        }
                      ],
                      "description": "Structured email editor content. The serialized document must be 512000 bytes or less. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text."
                    },
                    "enabled": {
                      "type": "boolean"
                    },
                    "name": {
                      "maxLength": 160,
                      "type": "string"
                    },
                    "starting_point_id": {
                      "description": "Creates the email template from this canonical starting point. Do not also provide body_document.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/EmailTemplateUpsertRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "idempotency_key": {
                  "description": "Optional idempotency key to retry the request safely. It must not exceed 256 UTF-8 bytes.",
                  "maxLength": 256,
                  "type": "string"
                }
              },
              "required": [
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailTemplate": {
                  "properties": {
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/BroadcastEmailDocument"
                        }
                      ],
                      "description": "Structured email editor content. The serialized document must be 512000 bytes or less. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text."
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "enabled": {
                      "type": "boolean"
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "maxLength": 160,
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "workspaces": {
                      "items": {
                        "$ref": "#/$defs/WorkspaceReference"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "body",
                    "body_document",
                    "enabled",
                    "workspaces",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "WorkspaceReference": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "createEmailTemplate",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/EmailTemplate"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": false,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Create an email template"
            }
          },
          {
            "name": "email_templates_get",
            "title": "Get an email template",
            "description": "Returns a reusable email template linked to the authenticated workspace. Permission: email_templates:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "template_id": {
                  "description": "The email template identifier.",
                  "type": "string"
                }
              },
              "required": [
                "template_id"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailTemplate": {
                  "properties": {
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/BroadcastEmailDocument"
                        }
                      ],
                      "description": "Structured email editor content. The serialized document must be 512000 bytes or less. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text."
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "enabled": {
                      "type": "boolean"
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "maxLength": 160,
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "workspaces": {
                      "items": {
                        "$ref": "#/$defs/WorkspaceReference"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "body",
                    "body_document",
                    "enabled",
                    "workspaces",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "WorkspaceReference": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "getEmailTemplate",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/EmailTemplate"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Get an email template"
            }
          },
          {
            "name": "email_templates_preview",
            "title": "Preview an email template for a Subscriber",
            "description": "Renders one template using a saved Subscriber's name, email, and custom fields without sending or saving anything. Permissions: subscribers:read, email_templates:read. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "SubscriberPreviewRequest": {
                  "additionalProperties": false,
                  "properties": {
                    "subscriber_id": {
                      "description": "The saved Subscriber whose name, email, and custom fields should be used for personalization.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "subscriber_id"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/SubscriberPreviewRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "template_id": {
                  "description": "The email template identifier.",
                  "type": "string"
                }
              },
              "required": [
                "template_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "EmailTemplatePreview": {
                  "additionalProperties": false,
                  "properties": {
                    "html": {
                      "type": "string"
                    },
                    "subscriber_id": {
                      "type": "string"
                    },
                    "template_id": {
                      "type": "string"
                    },
                    "text": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "template_id",
                    "subscriber_id",
                    "html",
                    "text"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "previewEmailTemplate",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/EmailTemplatePreview"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": false,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": true,
              "title": "Preview an email template for a Subscriber"
            }
          },
          {
            "name": "email_templates_update",
            "title": "Update an email template",
            "description": "Updates the content or enabled state of an existing email template. Effect: workspace-change. Retry after reading the current resource state. Permission: email_templates:write. API reference: https://mailrith.com/developers/api-reference.",
            "inputSchema": {
              "$defs": {
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailTemplateUpdateRequest": {
                  "additionalProperties": false,
                  "minProperties": 1,
                  "properties": {
                    "body_document": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/BroadcastEmailDocument"
                        }
                      ],
                      "description": "Structured email editor content. The serialized document must be 512000 bytes or less. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text."
                    },
                    "enabled": {
                      "type": "boolean"
                    },
                    "name": {
                      "maxLength": 160,
                      "type": "string"
                    }
                  },
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "properties": {
                "body": {
                  "$ref": "#/$defs/EmailTemplateUpdateRequest",
                  "description": "The exact JSON request body defined by the Mailrith public API contract.",
                  "type": "object"
                },
                "template_id": {
                  "description": "The email template identifier.",
                  "type": "string"
                }
              },
              "required": [
                "template_id",
                "body"
              ],
              "type": "object"
            },
            "outputSchema": {
              "$defs": {
                "BroadcastEmailDocument": {
                  "allOf": [
                    {
                      "$ref": "#/$defs/BroadcastEmailNode"
                    }
                  ],
                  "description": "A structured email document. The root node must use type `doc` and contain supported block nodes. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text.",
                  "example": {
                    "content": [
                      {
                        "content": [
                          {
                            "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                            "type": "text"
                          }
                        ],
                        "type": "paragraph"
                      }
                    ],
                    "type": "doc"
                  },
                  "examples": [
                    {
                      "content": [
                        {
                          "content": [
                            {
                              "text": "Hello [Subscriber_Name, fallback=\"friend\"].",
                              "type": "text"
                            }
                          ],
                          "type": "paragraph"
                        }
                      ],
                      "type": "doc"
                    }
                  ]
                },
                "BroadcastEmailMark": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "color": {
                          "type": "string"
                        },
                        "fontSize": {
                          "type": "string"
                        },
                        "href": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "type": {
                      "enum": [
                        "bold",
                        "italic",
                        "strike",
                        "underline",
                        "link",
                        "textStyle",
                        "highlight"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "BroadcastEmailNode": {
                  "additionalProperties": false,
                  "properties": {
                    "attrs": {
                      "additionalProperties": false,
                      "properties": {
                        "align": {
                          "enum": [
                            "left",
                            "center",
                            "right"
                          ],
                          "type": "string"
                        },
                        "alt": {
                          "type": "string"
                        },
                        "backgroundColor": {
                          "type": "string"
                        },
                        "backgroundImageUrl": {
                          "type": "string"
                        },
                        "blockquoteBorderColor": {
                          "type": "string"
                        },
                        "borderColor": {
                          "type": "string"
                        },
                        "borderRadius": {
                          "enum": [
                            "none",
                            "normal",
                            "small",
                            "large",
                            "full"
                          ],
                          "type": "string"
                        },
                        "borderWidth": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "caption": {
                          "type": "string"
                        },
                        "columns": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "crop": {
                          "enum": [
                            "none",
                            "square",
                            "circle"
                          ],
                          "type": "string"
                        },
                        "fillColumn": {
                          "type": "boolean"
                        },
                        "href": {
                          "type": "string"
                        },
                        "id": {
                          "type": "string"
                        },
                        "label": {
                          "type": "string"
                        },
                        "layoutAlignment": {
                          "enum": [
                            "left",
                            "center"
                          ],
                          "type": "string"
                        },
                        "level": {
                          "enum": [
                            1,
                            2,
                            3
                          ],
                          "type": "integer"
                        },
                        "linkColor": {
                          "type": "string"
                        },
                        "margin": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "padding": {
                          "enum": [
                            "none",
                            "normal",
                            "large"
                          ],
                          "type": "string"
                        },
                        "size": {
                          "enum": [
                            "small",
                            "medium",
                            "large"
                          ],
                          "type": "string"
                        },
                        "source": {
                          "enum": [
                            "unsplash"
                          ],
                          "type": "string"
                        },
                        "src": {
                          "type": "string"
                        },
                        "textAlign": {
                          "enum": [
                            "left",
                            "center",
                            "right",
                            "justify"
                          ],
                          "type": "string"
                        },
                        "textColor": {
                          "type": "string"
                        },
                        "title": {
                          "type": "string"
                        },
                        "unsplash": {
                          "additionalProperties": false,
                          "properties": {
                            "photoId": {
                              "type": "string"
                            },
                            "photographerName": {
                              "type": "string"
                            },
                            "photographerUrl": {
                              "type": "string"
                            },
                            "photographerUsername": {
                              "type": "string"
                            },
                            "unsplashUrl": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "photographerName"
                          ],
                          "type": "object"
                        },
                        "verticalAlign": {
                          "enum": [
                            "top",
                            "middle",
                            "bottom"
                          ],
                          "type": "string"
                        },
                        "width": {
                          "enum": [
                            "default",
                            "large",
                            "full",
                            "fit"
                          ],
                          "type": "string"
                        },
                        "widthPercent": {
                          "maximum": 100,
                          "minimum": 1,
                          "type": "number"
                        }
                      },
                      "type": "object"
                    },
                    "content": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailNode"
                      },
                      "type": "array"
                    },
                    "marks": {
                      "items": {
                        "$ref": "#/$defs/BroadcastEmailMark"
                      },
                      "type": "array"
                    },
                    "text": {
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "doc",
                        "paragraph",
                        "heading",
                        "text",
                        "hardBreak",
                        "bulletList",
                        "orderedList",
                        "listItem",
                        "blockquote",
                        "emailSection",
                        "emailSectionColumn",
                        "emailButton",
                        "image",
                        "horizontalRule"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "type"
                  ],
                  "type": "object"
                },
                "EmailTemplate": {
                  "properties": {
                    "body": {
                      "type": "string"
                    },
                    "body_document": {
                      "allOf": [
                        {
                          "$ref": "#/$defs/BroadcastEmailDocument"
                        }
                      ],
                      "description": "Structured email editor content. The serialized document must be 512000 bytes or less. For Subscriber personalization in email subjects and body text nodes, use Mailrith bracket tokens such as [Subscriber_Name, fallback=\"friend\"] or [Subscriber_Email, fallback=\"\"]. Before using a custom field, call custom_fields_list or custom_fields_get and copy its personalization_token exactly. Do not use Handlebars-style variables such as {{ subscriber.name }}; Mailrith sends them as literal text."
                    },
                    "created_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "enabled": {
                      "type": "boolean"
                    },
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "maxLength": 160,
                      "type": "string"
                    },
                    "self": {
                      "description": "Stable relative Public API path for retrieving this resource.",
                      "type": "string"
                    },
                    "updated_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "workspaces": {
                      "items": {
                        "$ref": "#/$defs/WorkspaceReference"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "id",
                    "name",
                    "body",
                    "body_document",
                    "enabled",
                    "workspaces",
                    "created_at",
                    "updated_at",
                    "self"
                  ],
                  "type": "object"
                },
                "WorkspaceReference": {
                  "properties": {
                    "id": {
                      "type": "string"
                    },
                    "name": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "id",
                    "name"
                  ],
                  "type": "object"
                }
              },
              "additionalProperties": false,
              "anyOf": [
                {
                  "required": [
                    "response"
                  ]
                },
                {
                  "required": [
                    "error"
                  ]
                }
              ],
              "properties": {
                "error": {
                  "additionalProperties": false,
                  "properties": {
                    "access_update_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "category": {
                      "enum": [
                        "validation",
                        "authentication",
                        "permission",
                        "conflict",
                        "rate_limit",
                        "transient",
                        "unknown"
                      ],
                      "type": "string"
                    },
                    "code": {
                      "type": "string"
                    },
                    "credential_type": {
                      "enum": [
                        "workspace_api_key",
                        "oauth_access_token"
                      ],
                      "type": "string"
                    },
                    "details": {
                      "additionalProperties": false,
                      "properties": {
                        "field": {
                          "type": "string"
                        },
                        "reason": {
                          "type": "string"
                        },
                        "resource": {
                          "additionalProperties": false,
                          "properties": {
                            "id": {
                              "type": "string"
                            },
                            "type": {
                              "type": "string"
                            }
                          },
                          "required": [
                            "type",
                            "id"
                          ],
                          "type": "object"
                        }
                      },
                      "type": "object"
                    },
                    "issues": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "message": {
                            "type": "string"
                          },
                          "path": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "path",
                          "code",
                          "message"
                        ],
                        "type": "object"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "message": {
                      "type": "string"
                    },
                    "missing_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "permissions_help_url": {
                      "format": "uri",
                      "type": "string"
                    },
                    "prerequisite": {
                      "additionalProperties": false,
                      "properties": {
                        "required_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        },
                        "resource": {
                          "type": "string"
                        },
                        "setup_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "state": {
                          "enum": [
                            "missing",
                            "disabled"
                          ],
                          "type": "string"
                        },
                        "work_profile": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "resource",
                        "state"
                      ],
                      "type": "object"
                    },
                    "recommended_work_profiles": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 20,
                      "type": "array"
                    },
                    "reconnect_required": {
                      "type": "boolean"
                    },
                    "recovery": {
                      "additionalProperties": false,
                      "properties": {
                        "access_update_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "action": {
                          "enum": [
                            "replace_api_key",
                            "reconnect_oauth"
                          ],
                          "type": "string"
                        },
                        "message": {
                          "type": "string"
                        },
                        "permissions_help_url": {
                          "format": "uri",
                          "type": "string"
                        },
                        "replacement_scopes": {
                          "items": {
                            "type": "string"
                          },
                          "maxItems": 50,
                          "type": "array"
                        }
                      },
                      "required": [
                        "action",
                        "message"
                      ],
                      "type": "object"
                    },
                    "replacement_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "required_scopes": {
                      "items": {
                        "type": "string"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "retry": {
                      "additionalProperties": false,
                      "properties": {
                        "guidance": {
                          "type": "string"
                        },
                        "safe": {
                          "type": "boolean"
                        }
                      },
                      "required": [
                        "safe",
                        "guidance"
                      ],
                      "type": "object"
                    },
                    "retryable": {
                      "type": "boolean"
                    },
                    "status": {
                      "anyOf": [
                        {
                          "type": "integer"
                        },
                        {
                          "type": "null"
                        }
                      ]
                    }
                  },
                  "required": [
                    "category",
                    "status",
                    "code",
                    "message",
                    "retryable"
                  ],
                  "type": "object"
                },
                "operation_id": {
                  "const": "updateEmailTemplate",
                  "description": "The stable Mailrith public API operation ID.",
                  "type": "string"
                },
                "request_id": {
                  "description": "The stable correlation ID for this MCP tool invocation.",
                  "pattern": "^mcp_[0-9a-f-]{36}$",
                  "type": "string"
                },
                "response": {
                  "properties": {
                    "data": {
                      "$ref": "#/$defs/EmailTemplate"
                    }
                  },
                  "required": [
                    "data"
                  ],
                  "type": "object"
                }
              },
              "required": [
                "operation_id",
                "request_id"
              ],
              "type": "object"
            },
            "annotations": {
              "destructiveHint": true,
              "idempotentHint": true,
              "openWorldHint": false,
              "readOnlyHint": false,
              "title": "Update an email template"
            }
          }
        ]
      },
      "name": "Mailrith Email Marketing",
      "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
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      "summary": "Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.",
      "updatedAt": "2026-08-27T05:22:18Z",
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  "markdown": "# Mailrith Email Marketing\n\n\u003e Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/\n\n- Kind: MCP server, by mailrith.com (https://mailrith.com/developers/mcp)\n- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)\n- Listed because: It's published in the registry under mailrith.com, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.\n\n## Facts\n\n- MCP registry: `com.mailrith/mailrith` 1.1.1\n- Endpoint: https://api.mailrith.com/mcp (streamable HTTP)\n- Package: npm `@mailrith/mcp-server` (stdio)\n- Source: https://github.com/anrawool/mailrith-agent-platform\n- Website: https://mailrith.com/developers/mcp\n- npm downloads a week: 62\n- GitHub stars: 0\n- Registry entry updated: 2026-08-27\n\n## Tools\n\n- Tools it lists (55, about 127,059 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-05 22:34 UTC):\n  - `discovery_get_capabilities` (read-only): Returns the current workspace context, discovery URLs, shared request conventions, supported webhook events, and public resource operations available to the…\n  - `workspace_get` (read-only): Returns the authenticated workspace profile and mailing context used by broadcasts, sequences, automations, forms, and magic links. Permission: workspace:read.…\n  - `sender_identities_list` (read-only): Returns a bounded page of enabled sender names, addresses, and provider types that can be selected for Broadcasts and Sequences. Provider credentials and…\n  - `sender_identities_get` (read-only): Returns one enabled sender name, address, and provider type by stable identifier. Provider credentials and configuration are never returned. Permission:…\n  - `analytics_create_report` (writes): Runs from compact rollups. Ranges through 31 days complete inline; longer ranges are queued. Results expire after 24 hours and never exceed 100 rows. Effect:…\n  - `analytics_get_report` (read-only): Returns one unexpired bounded analytics report by identifier. Permission: analytics:read. Pagination: use bounded pages and returned cursors. API reference:…\n  - `subscribers_list` (read-only): Returns subscribers in the authenticated workspace, sorted from newest to oldest. Permission: subscribers:read. Pagination: use bounded pages and returned…\n  - `subscribers_get` (read-only): Returns one Subscriber by its stable identifier from the authenticated workspace. Permission: subscribers:read. API reference:…\n  - `subscribers_upsert` (writes): Creates a new subscriber when the email does not exist in the workspace. If the email already exists, the API updates the existing subscriber unless…\n  - `subscribers_update` (writes): Updates profile fields, status, custom fields, tags, or sequence assignments for one subscriber. Fields omitted from the request stay unchanged. Blank optional…\n  - `subscribers_update_status` (writes): Changes the delivery status for one Subscriber without changing profile, targeting, or Sequence enrollment fields. Making a Subscriber Active requires…\n  - `subscribers_add_tag` (writes): Adds the selected Tag to a Subscriber. If the Subscriber already has the Tag, the API returns the Subscriber unchanged. Effect: external-email. Retry after…\n  - `subscribers_remove_tag` (writes): Removes the selected tag from a subscriber. If the subscriber does not have the tag, the API returns the subscriber unchanged. Effect: external-email. Retry…\n  - `subscribers_add_to_sequence` (writes): Adds the selected subscriber to the selected sequence. If the subscriber is already in the sequence, the API returns the subscriber unchanged. Effect:…\n  - `subscribers_remove_from_sequence` (writes): Removes the selected subscriber from the selected sequence. If the subscriber is not in the sequence, the API returns the subscriber unchanged. Effect:…\n  - `tags_list` (read-only): Returns tags in the authenticated workspace. Permission: tags:read. Pagination: use bounded pages and returned cursors. API reference:…\n  - `tags_get` (read-only): Returns one Tag from the authenticated workspace. Permission: tags:read. API reference: https://mailrith.com/developers/api-reference.\n  - `tags_create` (writes): Creates a new tag in the authenticated workspace. The GDPR consent tag names can be created and applied like other tags when you need to apply consent…\n  - `custom_fields_list` (read-only): Returns a bounded page of custom fields in the authenticated workspace, including each field's exact ready-to-use email personalization token. Permission:…\n  - `custom_fields_get` (read-only): Returns one custom field from the authenticated workspace, including its exact ready-to-use email personalization token. Permission: custom_fields:read. API…\n  - `segments_list` (read-only): Returns saved segments from the authenticated workspace. Permission: segments:read. Pagination: use bounded pages and returned cursors. API reference:…\n  - `segments_get` (read-only): Returns one saved segment from the authenticated workspace. Permission: segments:read. API reference: https://mailrith.com/developers/api-reference.\n  - `segments_preview` (read-only): Returns subscriber counts for an unsaved segment definition. Include `current_segment_id` when previewing edits to an existing segment so circular segment…\n  - `broadcasts_list` (read-only): Returns broadcast drafts, scheduled sends, active sends, and completed sends. Permission: broadcasts:read. Pagination: use bounded pages and returned cursors.…\n  - `broadcasts_create` (writes): Creates a broadcast draft in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: broadcasts:write. API…\n  - `broadcasts_get` (read-only): Returns a broadcast draft, scheduled send, active send, or completed send. Permission: broadcasts:read. API reference:…\n  - `broadcasts_update` (writes): Updates an existing Broadcast draft. Scheduled, running, completed, and failed Broadcasts cannot be changed here. Before changing a scheduled Broadcast, read…\n  - `broadcasts_preflight` (read-only): Optionally checks the current Subscriber estimate, provider capacity, sender setup, event tracking, and blocking issues. This diagnostic is not required before…\n  - `broadcasts_send_test` (writes): Sends a test message from an existing Broadcast that has an email delivery connection. Provide a saved Subscriber ID for personalization; use subscribers_list…\n  - `broadcasts_schedule` (writes): Schedules a draft for future delivery, or changes the delivery time of an existing scheduled Broadcast. This uses Mailrith's durable scheduled-send path and…\n  - `broadcasts_unschedule` (writes): Returns a scheduled Broadcast to draft state before delivery starts. Effect: workspace-change. Retry after reading the current resource state. Permissions:…\n  - `broadcasts_send` (writes): Immediately creates durable preparation for a broadcast draft or scheduled send. Mailrith calculates the exact Subscriber total and checks provider readiness…\n  - `broadcasts_cancel` (writes): Requests cancellation for delivery work that has not reached the provider. Provider-accepted emails cannot be recalled. Repeat the same request with the same…\n  - `broadcasts_get_send_progress` (read-only): Returns bounded delivery progress, current rates, timing, outcome counts, and pause state. Poll until terminal is true; use 5 to 10 second intervals while…\n  - `sequences_list` (read-only): Returns sequences in the authenticated workspace. Permission: sequences:read. Pagination: use bounded pages and returned cursors. API reference:…\n  - `sequences_create` (writes): Creates a sequence in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: sequences:write. API reference:…\n  - `sequences_get` (read-only): Returns one sequence from the authenticated workspace. Permission: sequences:read. API reference: https://mailrith.com/developers/api-reference.\n  - `sequences_update` (writes): Updates an existing paused Sequence. Before changing a running Sequence, read it by ID, retain its status in the current task only, pause it, apply the update,…\n  - `sequences_preflight` (read-only): Checks the saved Sequence, its published emails, and its email delivery connection without changing data or sending email. Permission: sequences:read. API…\n  - `sequences_preview_journey` (read-only): Returns the bounded saved email timeline and shows which messages a selected Subscriber is eligible to receive, without enrolling the Subscriber or sending…\n  - `sequences_send_test` (writes): Sends up to five selected saved Sequence emails to one explicit test address. This does not enroll a Subscriber, start the Sequence, or write delivery…\n  - `sequences_update_status` (writes): Starts or pauses one Sequence without changing its content or delivery settings. Effect: external-email. Retry after reading the current resource state.…\n  - `automations_list` (read-only): Returns automations in the authenticated workspace. Permission: automations:read. Pagination: use bounded pages and returned cursors. API reference:…\n  - `automations_create` (writes): Creates an automation in the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission: automations:write. API…\n  - `automations_get` (read-only): Returns one automation from the authenticated workspace. Permission: automations:read. API reference: https://mailrith.com/developers/api-reference.\n  - `automations_update` (writes): Updates an existing draft or paused Automation. Before changing a running Automation, read it by ID, retain its status in the current task only, pause it,…\n  - `automations_preflight` (read-only): Checks the saved Automation definition and email delivery prerequisite without running any action. Permission: automations:read. API reference:…\n  - `automations_preview_journey` (read-only): Shows the bounded path a selected Subscriber would take through the current saved conditions without running actions or writing history. Permissions:…\n  - `automations_send_test` (writes): Sends up to five selected saved Automation email steps to one explicit test address. This does not start the Automation or run other actions. Effect:…\n  - `automations_update_status` (writes): Starts, pauses, or returns one Automation to draft without changing its definition. Effect: external-email. Retry after reading the current resource state.…\n  - `email_templates_list` (read-only): Returns reusable email templates linked to the authenticated workspace. Permission: email_templates:read. Pagination: use bounded pages and returned cursors.…\n  - `email_templates_create` (writes): Creates a reusable email template scoped to the authenticated workspace. Effect: workspace-change. Retry with the same idempotency_key. Permission:…\n  - `email_templates_get` (read-only): Returns a reusable email template linked to the authenticated workspace. Permission: email_templates:read. API reference:…\n  - `email_templates_preview` (read-only): Renders one template using a saved Subscriber's name, email, and custom fields without sending or saving anything. Permissions: subscribers:read,…\n  - `email_templates_update` (writes): Updates the content or enabled state of an existing email template. Effect: workspace-change. Retry after reading the current resource state. Permission:…\n- How its tools read to an agent (0 errors, 75 warnings, 0 notes, about 127,059 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - warn TC13 analytics_create_report: body (object with no properties)\n  - warn TC13 automations_create: body (object with no properties)\n  - warn TC13 automations_send_test: body (object with no properties)\n  - warn TC13 automations_update: body (object with no properties)\n  - warn TC13 automations_update_status: body (object with no properties)\n  - warn TC13 broadcasts_create: body (object with no properties)\n  - warn TC13 broadcasts_schedule: body (object with no properties)\n  - warn TC13 broadcasts_send_test: body (object with no properties)\n  - warn TC13 broadcasts_update: body (object with no properties)\n  - warn TC13 email_templates_create: body (object with no properties)\n  - warn TC13 email_templates_preview: body (object with no properties)\n  - warn TC13 email_templates_update: body (object with no properties)\n  - warn TC13 segments_preview: body (object with no properties)\n  - warn TC13 sequences_create: body (object with no properties)\n  - warn TC13 sequences_send_test: body (object with no properties)\n  - warn TC13 sequences_update: body (object with no properties)\n  - warn TC13 sequences_update_status: body (object with no properties)\n  - warn TC13 subscribers_update: body (object with no properties)\n  - warn TC13 subscribers_update_status: body (object with no properties)\n  - warn TC13 subscribers_upsert: body (object with no properties)\n  - warn TC13 tags_create: body (object with no properties)\n  - warn TC15 analytics_create_report: inputSchema uses $ref/$defs\n  - warn TC15 automations_create: inputSchema uses $ref/$defs\n  - warn TC15 automations_send_test: inputSchema uses $ref/$defs\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/mailrith.json\n- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming\n",
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