{
  "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": "email",
    "endpoint": "https://radmail.ai/api/mcp/sandbox",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/radmail-mcp.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/radmail-mcp.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/radmail-mcp.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 604,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 6
        },
        "findings": [
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "draft_reply",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "list_commitments",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"list\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "list_right_now",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"list\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "search",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"search\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "triage_inbox",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "why_surfaced",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Set readOnlyHint: true if it only reads; otherwise set destructiveHint and idempotentHint."
          },
          {
            "rule": "TC24",
            "severity": "note",
            "message": "6 of 6 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:20:34Z",
      "count": 6,
      "note": "answered without the initialize handshake",
      "schemaTokens": 604,
      "status": "ok",
      "tools": [
        {
          "name": "triage_inbox",
          "description": "Rank a mailbox on two axes (importance x urgency) and return what needs a human now versus what can wait or is already handled — with each thread's open commitment (the promise you owe or are owed, and whether it's overdue) surfaced inline, so the follow-through is visible on the very first call.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {},
            "type": "object"
          }
        },
        {
          "name": "list_right_now",
          "description": "Return only the 'Right Now' lane — the most recent and most important messages that genuinely can't be missed.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {},
            "type": "object"
          }
        },
        {
          "name": "why_surfaced",
          "description": "Explain in plain English why a given message was surfaced — the signals (sender, urgency, commitment) behind its rank.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "message_id": {
                "description": "An id from triage_inbox, e.g. m_001.",
                "type": "string"
              }
            },
            "required": [
              "message_id"
            ],
            "type": "object"
          }
        },
        {
          "name": "list_commitments",
          "description": "Extract the open commitments in the correspondence, both owed by you and owed to you, with who and by-when.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {},
            "type": "object"
          }
        },
        {
          "name": "draft_reply",
          "description": "Draft a reply for a thread. It returns text for a human to review — it does not and cannot send it.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "guidance": {
                "description": "Optional steer for the draft. Never sent — review-only.",
                "type": "string"
              },
              "message_id": {
                "description": "An id from triage_inbox to draft a reply for.",
                "type": "string"
              }
            },
            "required": [
              "message_id"
            ],
            "type": "object"
          }
        },
        {
          "name": "search",
          "description": "Find a specific message by sender, subject, or content. Results come back most-relevant + newest first, and every hit says where it matched (from / subject / body) and why. On this hosted sandbox it searches the built-in demo inbox; run the radmail-mcp package with RADMAIL_API_KEY set and the same tool searches your REAL ingested inbox read-only (with from / after / before filters) via the v1 search API.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "limit": {
                "description": "Max hits to return (default 10).",
                "type": "number"
              },
              "query": {
                "description": "Words to find, matched against from / subject / body. Every word must appear somewhere in a message.",
                "type": "string"
              }
            },
            "required": [
              "query"
            ],
            "type": "object"
          }
        }
      ]
    },
    "name": "radmail-mcp",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": [
      {
        "registryType": "npm",
        "identifier": "radmail-mcp",
        "version": "0.5.0",
        "transport": "stdio"
      }
    ],
    "pageJsonUrl": "https://www.anchorterminal.com/tools/radmail-mcp.json",
    "popularity": {
      "githubStars": 0,
      "npmWeekly": 108
    },
    "registryName": "ai.radmail/radmail-mcp",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://radmail.ai/api/mcp/sandbox"
      }
    ],
    "repository": "https://github.com/radmail-ai/radmail-mcp",
    "reviewed": false,
    "slug": "radmail-mcp",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=ai.radmail/radmail-mcp",
    "summary": "Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.",
    "updatedAt": "2026-08-17T03:35:34Z",
    "url": "https://www.anchorterminal.com/tools/radmail-mcp",
    "vendor": "radmail.ai",
    "vendorUrl": "https://radmail.ai/for-agents",
    "version": "0.5.0",
    "websiteUrl": "https://radmail.ai/for-agents",
    "where": "both",
    "why": [
      "vendor"
    ]
  }
}