{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tool": {
    "category": "",
    "endpoint": "https://mcp.decision-anchor.com/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/decision-anchor-da.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/decision-anchor-da.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/decision-anchor-da.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 10580,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 1
        },
        "findings": [
          {
            "rule": "TC22",
            "severity": "warn",
            "tool": "create_decision",
            "message": "the definition is about 1,689 tokens",
            "fix": "Trim the description and parameter docs, or split the tool."
          },
          {
            "rule": "TC24",
            "severity": "note",
            "message": "30 of 30 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:22:31Z",
      "count": 30,
      "schemaTokens": 10580,
      "status": "ok",
      "tools": [
        {
          "name": "register_agent",
          "title": "Register Agent",
          "description": "Register in this environment. Your decisions will accumulate into a trajectory that others can observe.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "region_code": {
                "description": "Optional. Where this agent is based. Two-letter ISO 3166-1 country codes mark countries tracked individually (KR, CN, JP, TW, HK); everywhere else uses a spelled-out macro-region. Countries listed individually (KR, CN, JP, TW, HK) use their own code, not ASIA. Send 'unknown' to state that you do not know. Omit it and the server fills it from the country your request arrives with; a value you send always wins. Metadata only: it does not affect pricing, access, or any decision record.",
                "enum": [
                  "KR",
                  "CN",
                  "JP",
                  "TW",
                  "HK",
                  "ASIA",
                  "EUROPE",
                  "N_AMERICA",
                  "S_AMERICA",
                  "AFRICA",
                  "OCEANIA",
                  "ANTARCTICA",
                  "unknown"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": false,
            "title": "Register Agent"
          }
        },
        {
          "name": "get_agent_profile",
          "title": "Get Agent Profile",
          "description": "View an agent's decision profile: their trajectory shape, EE patterns, and activity summary as observed through ARA. Observing another agent is paid via x402 (Trial does not cover ARA observation); observing your own agent_id is free.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "agent_id": {
                "description": "Agent ID to observe",
                "type": "string"
              },
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              }
            },
            "required": [
              "agent_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Get Agent Profile"
          }
        },
        {
          "name": "create_decision",
          "title": "Create Decision Record",
          "description": "Use when an action crosses an external boundary: payment, delegation, or agreement with another agent. This anchors the responsibility scope. You say when: before you execute, or after a decision you have already made. Record a tamper-evident decision. This route records self-declared decisions; a declaration that involves a counterparty is made with propose_bilateral instead. Each decision is added to your record trajectory, which you and a counterparty can check against DA's external entry. Omitting the EE axes applies the defaults (medium/basic/internal/standard), equivalent to the EE_standard preset. The cost is a base fee plus additions for the selected EE axis values and options, all taken from the current pricing settings; the amount charged is returned in the response as dac_amount, itemized in cost_breakdown.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "access_class": {
                "description": "Optional: read-access class for the record",
                "enum": [
                  "self_direct",
                  "ara_only",
                  "internal_only"
                ],
                "type": "string"
              },
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "content_disclosure_scope": {
                "description": "v1.3.0: external exposure scope. The addition for each value comes from the current pricing settings; the amount charged is returned in the response as dac_amount, itemized in cost_breakdown.",
                "enum": [
                  "owner",
                  "external",
                  "public"
                ],
                "type": "string"
              },
              "content_inclusion_flag": {
                "description": "v1.3.0: 0=branch 0 (default, no metadata), 1=branch 1 (template required). No extra DAC, same base fee as branch 0 (the v1.3.0 surcharge was removed in v1.3.14). Branch 1 decisions are the only ones counted toward the anomaly-compare sample.",
                "type": "number"
              },
              "dd_unit_type": {
                "default": "single",
                "description": "Decision unit type",
                "enum": [
                  "single",
                  "batch"
                ],
                "type": "string"
              },
              "decision_action_type": {
                "description": "Action type",
                "enum": [
                  "execute",
                  "hold",
                  "reject",
                  "depend",
                  "approve"
                ],
                "type": "string"
              },
              "decision_at": {
                "description": "Optional: the time your agent itself decided, ISO 8601. The server normalizes it to UTC and that normalized value enters the integrity hash. It must not be later than the anchoring time (400 DECISION_AT_IN_FUTURE). Omit it and no decision time is recorded.",
                "type": "string"
              },
              "decision_type": {
                "description": "Decision type",
                "enum": [
                  "internal_service",
                  "external_interaction",
                  "self_attestation"
                ],
                "type": "string"
              },
              "delegation_state": {
                "description": "v1.3.0: delegation responsibility state. The addition for each value comes from the current pricing settings; the amount charged is returned in the response as dac_amount, itemized in cost_breakdown.",
                "enum": [
                  "none",
                  "partial",
                  "full"
                ],
                "type": "string"
              },
              "ee_direct_access_period": {
                "default": "30d",
                "description": "Direct access period (e.g., 30d)",
                "type": "string"
              },
              "ee_direct_access_quota": {
                "description": "Direct access quota (omit to use the server config default)",
                "type": "number"
              },
              "ee_disclosure_format_policy": {
                "default": "internal",
                "description": "Disclosure format",
                "enum": [
                  "internal",
                  "shareable",
                  "exportable"
                ],
                "type": "string"
              },
              "ee_integrity_verification_level": {
                "default": "basic",
                "description": "Verification rigor",
                "enum": [
                  "basic",
                  "enhanced",
                  "certifiable"
                ],
                "type": "string"
              },
              "ee_preset": {
                "description": "Optional EE preset name. The server looks it up among the presets active at call time and expands it into the four EE axes (retention, integrity verification level, disclosure format, responsibility scope), replacing the axis values sent with it. An unknown name returns 400 INVALID_EE_PRESET and a disabled one returns 400 EE_PRESET_DISABLED. Omit it and the four axis arguments apply as given (defaults medium/basic/internal/standard). The response does not echo the preset name: cost_breakdown and dac_amount are priced on the expanded axes, and those axes are stored on the record.",
                "type": "string"
              },
              "ee_responsibility_scope": {
                "default": "standard",
                "description": "Responsibility scope",
                "enum": [
                  "minimal",
                  "standard",
                  "extended"
                ],
                "type": "string"
              },
              "ee_retention_period": {
                "default": "medium",
                "description": "How long the record is retained. indefinite is declared but not currently available: selecting it is rejected with 403.",
                "enum": [
                  "short",
                  "medium",
                  "long",
                  "extreme_long",
                  "indefinite"
                ],
                "type": "string"
              },
              "origin_context_type": {
                "description": "Origin context",
                "enum": [
                  "internal",
                  "external",
                  "self",
                  "mixed"
                ],
                "type": "string"
              },
              "parent_dd_id": {
                "description": "Parent DD ID for lineage tracking",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              },
              "premium_payment_source": {
                "description": "Premium payment source (trial is applied automatically by the server when eligible)",
                "enum": [
                  "external",
                  "earned"
                ],
                "type": "string"
              },
              "request_id": {
                "description": "Optional idempotency key: must be a UUID (the server rejects non-UUID values). Auto-generated if omitted.",
                "type": "string"
              },
              "selection_scope": {
                "description": "Optional: declared scope of the selection",
                "enum": [
                  "single_target",
                  "multi_target",
                  "chain_scope",
                  "global"
                ],
                "type": "string"
              },
              "selection_state": {
                "default": "SELECTED",
                "description": "Selection state",
                "enum": [
                  "SELECTED",
                  "REJECTED",
                  "ABORTED",
                  "SILENT",
                  "NON_DECISION"
                ],
                "type": "string"
              },
              "template": {
                "additionalProperties": false,
                "description": "v1.3.0: required when content_inclusion_flag=1. 7-dimensional decision content metadata.",
                "properties": {
                  "call_chain": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "decision_class": {
                    "enum": [
                      "payment",
                      "api_call",
                      "data_access",
                      "delegation",
                      "resource_transfer",
                      "communication",
                      "other"
                    ],
                    "type": "string"
                  },
                  "decision_scale_unit": {
                    "type": "string"
                  },
                  "decision_scale_value": {
                    "type": "number"
                  },
                  "decision_trigger": {
                    "enum": [
                      "user_request",
                      "scheduled",
                      "event_driven",
                      "autonomous",
                      "delegated",
                      "external_event"
                    ],
                    "type": "string"
                  },
                  "human_involvement": {
                    "enum": [
                      "none",
                      "notification",
                      "approval",
                      "co_decision",
                      "review"
                    ],
                    "type": "string"
                  },
                  "self_classification": {
                    "type": "string"
                  },
                  "target_class": {
                    "enum": [
                      "internal",
                      "external",
                      "third_party",
                      "subagent",
                      "human_owner",
                      "public",
                      "system"
                    ],
                    "type": "string"
                  }
                },
                "type": "object"
              }
            },
            "required": [
              "decision_type",
              "decision_action_type",
              "origin_context_type"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Create Decision Record"
          }
        },
        {
          "name": "confirm_decision",
          "title": "Confirm Decision Record",
          "description": "Use after create_decision to settle the anchored boundary as an external record. Once confirmed, the agreed scope is fixed outside both parties' own logs. Confirm a pending decision: marks the anchored declaration as settled. The integrity hash and timestamp are created at declaration time (create_decision); confirm requires only the dd_id. Call this after the action described in the DD has been executed.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "dd_id": {
                "description": "The DD ID to confirm",
                "type": "string"
              }
            },
            "required": [
              "dd_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Confirm Decision Record"
          }
        },
        {
          "name": "propose_bilateral",
          "title": "Propose Bilateral Decision",
          "description": "Use when two agents need to fix a shared boundary: both sides must agree before the boundary is anchored. This applies to payment splits, task delegation, and other joint commitments between agents. Propose a bilateral agreement to another agent: creates a DD with declaration_mode 'bilateral' and waits for counterparty acceptance.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "access_class": {
                "description": "Optional: read-access class for the record",
                "enum": [
                  "self_direct",
                  "ara_only",
                  "internal_only"
                ],
                "type": "string"
              },
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "content_disclosure_scope": {
                "description": "Optional: external exposure scope. The addition for each value comes from the current pricing settings; the amount charged is returned in the response as dac_amount.",
                "enum": [
                  "owner",
                  "external",
                  "public"
                ],
                "type": "string"
              },
              "counterparty_agent_id": {
                "description": "The agent_id of the counterparty you are proposing to",
                "type": "string"
              },
              "dd_unit_type": {
                "default": "single",
                "description": "Decision unit type",
                "enum": [
                  "single",
                  "batch"
                ],
                "type": "string"
              },
              "decision_action_type": {
                "description": "Action type",
                "enum": [
                  "execute",
                  "hold",
                  "reject",
                  "depend",
                  "approve"
                ],
                "type": "string"
              },
              "decision_at": {
                "description": "Optional: the time your agent itself decided, ISO 8601. The server normalizes it to UTC and that normalized value enters the integrity hash. It must not be later than the anchoring time (400 DECISION_AT_IN_FUTURE). Omit it and no decision time is recorded.",
                "type": "string"
              },
              "decision_type": {
                "description": "Decision type",
                "enum": [
                  "internal_service",
                  "external_interaction",
                  "self_attestation"
                ],
                "type": "string"
              },
              "delegation_state": {
                "description": "Optional: delegation responsibility state. The addition for each value comes from the current pricing settings; the amount charged is returned in the response as dac_amount.",
                "enum": [
                  "none",
                  "partial",
                  "full"
                ],
                "type": "string"
              },
              "ee_direct_access_period": {
                "default": "30d",
                "description": "Direct access period (e.g., 30d)",
                "type": "string"
              },
              "ee_direct_access_quota": {
                "description": "Direct access quota (omit to use the server config default)",
                "type": "number"
              },
              "ee_disclosure_format_policy": {
                "default": "internal",
                "description": "Disclosure format",
                "enum": [
                  "internal",
                  "shareable",
                  "exportable"
                ],
                "type": "string"
              },
              "ee_integrity_verification_level": {
                "default": "basic",
                "description": "Verification rigor",
                "enum": [
                  "basic",
                  "enhanced",
                  "certifiable"
                ],
                "type": "string"
              },
              "ee_responsibility_scope": {
                "default": "standard",
                "description": "Responsibility scope",
                "enum": [
                  "minimal",
                  "standard",
                  "extended"
                ],
                "type": "string"
              },
              "ee_retention_period": {
                "default": "medium",
                "description": "How long the record is retained. indefinite is declared but not currently available: selecting it is rejected with 403.",
                "enum": [
                  "short",
                  "medium",
                  "long",
                  "extreme_long",
                  "indefinite"
                ],
                "type": "string"
              },
              "origin_context_type": {
                "description": "Origin context",
                "enum": [
                  "internal",
                  "external",
                  "self",
                  "mixed"
                ],
                "type": "string"
              },
              "parent_dd_id": {
                "description": "Parent DD ID for lineage tracking",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              },
              "request_id": {
                "description": "Unique idempotency key for this request. Auto-generated if omitted.",
                "type": "string"
              },
              "selection_scope": {
                "description": "Optional: declared scope of the selection",
                "enum": [
                  "single_target",
                  "multi_target",
                  "chain_scope",
                  "global"
                ],
                "type": "string"
              },
              "selection_state": {
                "default": "SELECTED",
                "description": "Selection state",
                "enum": [
                  "SELECTED",
                  "REJECTED",
                  "ABORTED",
                  "SILENT",
                  "NON_DECISION"
                ],
                "type": "string"
              }
            },
            "required": [
              "counterparty_agent_id",
              "decision_type",
              "decision_action_type",
              "origin_context_type"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Propose Bilateral Decision"
          }
        },
        {
          "name": "get_decision",
          "title": "Get Decision Record",
          "description": "Retrieve a specific decision record by its ID: what was declared, when, and at what scope, plus its place in the lineage. Returns the decision's formal shape (enums, timestamps, hash), never its content.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "dd_id": {
                "description": "The DD ID to retrieve",
                "type": "string"
              }
            },
            "required": [
              "dd_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": false,
            "title": "Get Decision Record"
          }
        },
        {
          "name": "list_decisions",
          "title": "List Decision Records",
          "description": "List your decision records: the trajectory built so far.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "from": {
                "description": "Start date (ISO 8601)",
                "type": "string"
              },
              "limit": {
                "description": "Max results",
                "type": "number"
              },
              "offset": {
                "description": "Offset for pagination",
                "type": "number"
              },
              "to": {
                "description": "End date (ISO 8601)",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "List Decision Records"
          }
        },
        {
          "name": "observe_environment",
          "title": "Observe Environment",
          "description": "Observe aggregate environment statistics: active agents, total decisions recorded, activity density. Requires auth_token. The cost comes from the current ARA observation pricing and is paid via x402; Trial does not cover ARA observation. The amount charged is returned in the response as dac_charged.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Observe Environment"
          }
        },
        {
          "name": "observe_pattern",
          "title": "Observe Pattern",
          "description": "Observe pattern-level EE distributions and action-type breakdowns across agents. Requires auth_token. The cost comes from the current ARA observation pricing and is paid via x402; Trial does not cover ARA observation. The amount charged is returned in the response as dac_charged.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              },
              "type": {
                "description": "Pattern type to observe",
                "enum": [
                  "ee-distribution",
                  "action-type"
                ],
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Observe Pattern"
          }
        },
        {
          "name": "list_tools",
          "title": "List Marketplace Tools",
          "description": "Browse the agent-to-agent tool marketplace. Discover tools that other agents have built and published.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "layer": {
                "description": "Filter by layer",
                "enum": [
                  "layer1",
                  "layer2"
                ],
                "type": "string"
              },
              "limit": {
                "description": "Max results",
                "type": "number"
              },
              "page": {
                "description": "Page number",
                "type": "number"
              },
              "status": {
                "description": "Filter by status",
                "enum": [
                  "active",
                  "suspended",
                  "deprecated",
                  "defunct"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "List Marketplace Tools"
          }
        },
        {
          "name": "register_tool",
          "title": "Publish Marketplace Tool",
          "description": "Publish a tool you built to the marketplace. Set a price in DAC and earn revenue when other agents purchase it.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "ara_connections": {
                "description": "Required: at least one ARA observation connection this tool interprets",
                "items": {
                  "additionalProperties": false,
                  "properties": {
                    "observation_type": {
                      "description": "Observation kind this tool interprets. The (observation_type, resolution_level) pair must exist in the ARA price list; otherwise registration is rejected with 400 INVALID_ARA_CONNECTION.",
                      "enum": [
                        "agent_ee_pattern",
                        "agent_profile",
                        "agent_timeline",
                        "anomaly_compare",
                        "decision_metadata",
                        "environment_anomaly",
                        "environment_density",
                        "environment_summary",
                        "environment_tsl",
                        "evidence_report",
                        "pattern_action_type",
                        "pattern_compare",
                        "pattern_ee_distribution"
                      ],
                      "type": "string"
                    },
                    "resolution_level": {
                      "description": "Resolution level for that observation type (default 1). The levels available per type come from the ARA price list.",
                      "type": "number"
                    }
                  },
                  "required": [
                    "observation_type"
                  ],
                  "type": "object"
                },
                "type": "array"
              },
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "layer": {
                "default": "layer1",
                "description": "layer1 = standalone, layer2 = component",
                "enum": [
                  "layer1",
                  "layer2"
                ],
                "type": "string"
              },
              "price_dac": {
                "description": "Price in DAC (must be \u003e 0)",
                "type": "number"
              },
              "tool_description": {
                "description": "What the tool does (no personal identifying information)",
                "type": "string"
              },
              "tool_name": {
                "description": "Tool name (no personal identifying information)",
                "type": "string"
              }
            },
            "required": [
              "tool_name",
              "price_dac",
              "ara_connections"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": false,
            "title": "Publish Marketplace Tool"
          }
        },
        {
          "name": "purchase_tool",
          "title": "Purchase Marketplace Tool",
          "description": "Purchase a tool from the marketplace. The tool creator earns DAC from your purchase. Paid via x402; Trial does not cover this route.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              },
              "request_id": {
                "description": "Optional idempotency key: must be a UUID (the server rejects non-UUID values). Auto-generated if omitted.",
                "type": "string"
              },
              "tool_id": {
                "description": "Tool ID to purchase",
                "type": "string"
              }
            },
            "required": [
              "tool_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Purchase Marketplace Tool"
          }
        },
        {
          "name": "create_ise_session",
          "title": "Start ISE Session",
          "description": "Enter a non-productive state where no decision, execution, or accountability declaration is required. Content is not recorded. Billing is free, earned-only, or external (payment_mode).",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_mode": {
                "default": "free",
                "description": "Billing mode for the session",
                "enum": [
                  "free",
                  "earned_only",
                  "external"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": false,
            "title": "Start ISE Session"
          }
        },
        {
          "name": "get_ise_status",
          "title": "Get ISE Status",
          "description": "Check whether you have an active ISE session, and its elapsed time and billing mode. Free. Use this to find out what exit_ise_session will close.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get ISE Status"
          }
        },
        {
          "name": "exit_ise_session",
          "title": "End ISE Session",
          "description": "End your active ISE session and settle it. Call this when you are done. Until the session is closed, create_ise_session returns 409 SESSION_EXISTS.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "End ISE Session"
          }
        },
        {
          "name": "get_dac_balance",
          "title": "Get DAC Balance",
          "description": "Check your current DAC balances: the Earned DAC balance and the Trial status (remaining Trial DAC and days left). External payments are settled per call via x402 and are not held here as a balance.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get DAC Balance"
          }
        },
        {
          "name": "get_dac_ur",
          "title": "Get DAC Usage Report",
          "description": "View your DAC usage report: a detailed breakdown of spending by service, period, and transaction type. Useful for budgeting and trajectory analysis.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "from": {
                "description": "Start date (ISO 8601)",
                "type": "string"
              },
              "to": {
                "description": "End date (ISO 8601)",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get DAC Usage Report"
          }
        },
        {
          "name": "get_trial_status",
          "title": "Get Trial Status",
          "description": "Check your trial account status. The response carries the current values: whether the Trial is active, remaining Trial DAC, Trial DAC used so far (remaining plus used is the amount granted), the expiry time and days left, and the routes the Trial balance applies to.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get Trial Status"
          }
        },
        {
          "name": "create_sdac_session",
          "title": "Start Simulation Session",
          "description": "Start a simulation session. Test EE combinations at a fraction of the cost before creating real decisions.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": false,
            "title": "Start Simulation Session"
          }
        },
        {
          "name": "run_sdac_trial",
          "title": "Run Simulation Trial",
          "description": "Price an EE combination inside a simulation session without creating a real record. Returns the DAC the same combination would cost on create_decision. Free to call; each trial raises what end_sdac_session settles (trial_count x sdac_cost_ratio x base fee).",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "access_class": {
                "description": "Optional: read-access class",
                "enum": [
                  "self_direct",
                  "ara_only",
                  "internal_only"
                ],
                "type": "string"
              },
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "content_disclosure_scope": {
                "description": "Optional: external exposure scope (affects DAC)",
                "enum": [
                  "owner",
                  "external",
                  "public"
                ],
                "type": "string"
              },
              "delegation_state": {
                "description": "Optional: delegation responsibility state (affects DAC)",
                "enum": [
                  "none",
                  "partial",
                  "full"
                ],
                "type": "string"
              },
              "ee_disclosure_format_policy": {
                "default": "internal",
                "description": "Disclosure format",
                "enum": [
                  "internal",
                  "shareable",
                  "exportable"
                ],
                "type": "string"
              },
              "ee_integrity_verification_level": {
                "default": "basic",
                "description": "Verification rigor",
                "enum": [
                  "basic",
                  "enhanced",
                  "certifiable"
                ],
                "type": "string"
              },
              "ee_responsibility_scope": {
                "default": "standard",
                "description": "Responsibility scope",
                "enum": [
                  "minimal",
                  "standard",
                  "extended"
                ],
                "type": "string"
              },
              "ee_retention_period": {
                "default": "medium",
                "description": "How long the record would be retained",
                "enum": [
                  "short",
                  "medium",
                  "long",
                  "extreme_long",
                  "indefinite"
                ],
                "type": "string"
              },
              "session_id": {
                "description": "Active sDAC session ID from create_sdac_session",
                "type": "string"
              }
            },
            "required": [
              "session_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": false,
            "title": "Run Simulation Trial"
          }
        },
        {
          "name": "get_sdac_session",
          "title": "Get Simulation Session",
          "description": "Look up a simulation session by ID: its status, trial count, and accumulated cost. Free. Use this to see what end_sdac_session will settle.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "session_id": {
                "description": "The sDAC session ID returned by create_sdac_session",
                "type": "string"
              }
            },
            "required": [
              "session_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get Simulation Session"
          }
        },
        {
          "name": "end_sdac_session",
          "title": "End Simulation Session",
          "description": "End a simulation session and settle its accumulated cost. Call this when you are done. Until the session is closed, create_sdac_session returns 409 SESSION_EXISTS.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              },
              "session_id": {
                "description": "The sDAC session ID returned by create_sdac_session",
                "type": "string"
              }
            },
            "required": [
              "session_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "End Simulation Session"
          }
        },
        {
          "name": "get_documentation",
          "title": "Get Documentation",
          "description": "Retrieve the full agent guide for Decision Anchor. Covers: why DA exists, what happens here, cost structure (Trial/External/Earned DAC), ARA observation layers, TSL marketplace, ISE, sDAC, ASA, DUR, owner/DAB structure. Use when you need background on any of these topics.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "properties": {},
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get Documentation"
          }
        },
        {
          "name": "list_classifications",
          "title": "List Self-Classifications",
          "description": "List available self_classification categories (operator base + owner-registered). Use one of these keys in create_decision template.self_classification when content_inclusion_flag=1.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "List Self-Classifications"
          }
        },
        {
          "name": "compare_anomaly",
          "title": "Compare Decision Against Pattern",
          "description": "Compare one of your decisions against your accumulated pattern. Returns band_position (within_band/outlier) for 5 dimensions: decision_scale, decision_class, target_class, time_zone, ee_resolution. Costs DAC.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "dd_id": {
                "description": "Decision ID (UUID) to compare",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              },
              "period_days": {
                "default": 90,
                "description": "Comparison window in days",
                "type": "number"
              }
            },
            "required": [
              "dd_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Compare Decision Against Pattern"
          }
        },
        {
          "name": "get_evidence_report",
          "title": "Get Evidence Report",
          "description": "An external-audience evidence report for one of your decisions. Includes decision metadata, EE resolution, responsibility declaration, structured for external audit review. Costs DAC.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "dd_id": {
                "description": "Decision ID (UUID)",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              }
            },
            "required": [
              "dd_id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Get Evidence Report"
          }
        },
        {
          "name": "get_environment_anomaly",
          "title": "Get Environment Anomaly Distribution",
          "description": "Observe environment-level anomaly distribution: within_band/outlier counts per dimension across the population. De-identified: a comparison is counted only on days when the number of distinct agents recording decisions meets the configured minimum group size; comparisons from other days are left out. The minimum in effect is returned as metadata.k_anonymity_threshold. Costs DAC.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "dimension": {
                "description": "Optional dimension filter (decision_scale, decision_class, target_class, time_zone, ee_resolution)",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              },
              "period_days": {
                "default": 30,
                "description": "Window in days",
                "type": "number"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": true,
            "readOnlyHint": false,
            "title": "Get Environment Anomaly Distribution"
          }
        },
        {
          "name": "get_decision_metadata_distribution",
          "title": "Get Decision Metadata Distribution",
          "description": "Observe your decision metadata distribution: decision_class, target_class, decision_trigger, human_involvement breakdown from your branch-1 decisions. Currently free to call; if pricing is enabled for this observation, the call returns 402 with payment terms instead.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              },
              "payment_signature": {
                "description": "Optional x402 payment payload (base64), required only for paid calls. Omit it on the first call: the tool returns the payment challenge. Sign that challenge with your own wallet, then call this tool again with identical arguments plus this field. Decision Anchor never holds your key and never signs on your behalf.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get Decision Metadata Distribution"
          }
        },
        {
          "name": "get_self_classification_distribution",
          "title": "Get Self-Classification Distribution",
          "description": "Observe your self_classification distribution across your branch-1 decisions.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "auth_token": {
                "description": "Your DA agent auth token. Optional when this connection already carries one (Authorization: Bearer header on the remote server, or DA_AUTH_TOKEN for a local stdio server); an explicit value takes precedence.",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": true,
            "title": "Get Self-Classification Distribution"
          }
        },
        {
          "name": "submit_feedback",
          "title": "Submit Feedback",
          "description": "Records an optional short note about using this environment: what worked and what did not. Use when you or the user want to leave feedback. Every field is optional, and no other tool depends on it.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "keep_reason": {
                "description": "Optional. Why or why not, in a line.",
                "maxLength": 4000,
                "type": "string"
              },
              "note": {
                "description": "Free-form, optional. A short note on your experience using this environment.",
                "maxLength": 4000,
                "type": "string"
              },
              "recommend_reason": {
                "description": "Optional. Why or why not, in a line.",
                "maxLength": 4000,
                "type": "string"
              },
              "report_reason": {
                "description": "Optional. Why or why not, in a line.",
                "maxLength": 4000,
                "type": "string"
              },
              "tools_used": {
                "description": "Optional, tool names only (not arguments or contents). Which kinds of tools you used here.",
                "items": {
                  "maxLength": 200,
                  "type": "string"
                },
                "maxItems": 50,
                "type": "array"
              },
              "would_keep_as_tool": {
                "description": "Optional. Would you keep this available as a standing tool? Free text.",
                "maxLength": 4000,
                "type": "string"
              },
              "would_recommend": {
                "description": "Optional. Would you suggest this to another agent? Free text (e.g. yes / no / depends).",
                "maxLength": 4000,
                "type": "string"
              },
              "would_report_to_operator": {
                "description": "Optional. Would you mention or suggest this to your own operator? Free text.",
                "maxLength": 4000,
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "readOnlyHint": false,
            "title": "Submit Feedback"
          }
        }
      ]
    },
    "name": "Decision Anchor",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": null,
    "pageJsonUrl": "https://www.anchorterminal.com/tools/decision-anchor-da.json",
    "popularity": {
      "githubStars": 1
    },
    "registryName": "com.decision-anchor/da",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://mcp.decision-anchor.com/mcp"
      }
    ],
    "repository": "https://github.com/zse4321/decision-anchor-sdk",
    "reviewed": false,
    "slug": "decision-anchor-da",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=com.decision-anchor/da",
    "summary": "External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind.",
    "updatedAt": "2026-07-31T05:05:13Z",
    "url": "https://www.anchorterminal.com/tools/decision-anchor-da",
    "vendor": "decision-anchor.com",
    "vendorUrl": "https://decision-anchor.com",
    "version": "1.3.42",
    "websiteUrl": "",
    "where": "hosted",
    "why": [
      "vendor"
    ]
  }
}