{
  "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.keyhalve.com/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/keyhalve-verify.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/keyhalve-verify.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/keyhalve-verify.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 489,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 0
        },
        "findings": [
          {
            "rule": "TC24",
            "severity": "note",
            "message": "3 of 3 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:23:12Z",
      "count": 3,
      "note": "answered without the initialize handshake",
      "schemaTokens": 489,
      "status": "ok",
      "tools": [
        {
          "name": "keyhalve_verify",
          "description": "Verify a KeyHalve-sealed document. Accepts a verify URL, the raw text of a KeyHalve QR code, or a document id (vp_…, kh_…, cb_…). Returns the cryptographic verdict: whether the seal exists, its live status (active/revoked/expired), ciphertext integrity against the issuance commitment, the KeyHalve rail's independent attestation, the validity window, and the issuer's trust context. This tool NEVER decrypts sealed contents — any decryption key in the URL fragment is discarded unread; contents are only readable by opening the verify URL in a browser.",
          "inputSchema": {
            "properties": {
              "input": {
                "description": "A KeyHalve verify URL, QR-code text, or bare document id.",
                "type": "string"
              }
            },
            "required": [
              "input"
            ],
            "type": "object"
          },
          "annotations": {
            "openWorldHint": true,
            "readOnlyHint": true,
            "title": "Verify a sealed document"
          }
        },
        {
          "name": "keyhalve_status",
          "description": "Live status of a KeyHalve-sealed document by id: active, revoked (with reason/time), or outside its validity window. Lighter than keyhalve_verify — status only, no integrity or rail checks. Use for \"is this still good right now?\"",
          "inputSchema": {
            "properties": {
              "document_id": {
                "description": "The document id, e.g. vp_…, kh_…, cb_….",
                "type": "string"
              }
            },
            "required": [
              "document_id"
            ],
            "type": "object"
          },
          "annotations": {
            "openWorldHint": true,
            "readOnlyHint": true,
            "title": "Check live document status"
          }
        },
        {
          "name": "keyhalve_explain",
          "description": "Plain-language explanation of what a KeyHalve verification verdict means and why it can be trusted (blind rail, three-share custody, commitments, revocation). Optionally focused on one topic.",
          "inputSchema": {
            "properties": {
              "topic": {
                "description": "Optional single topic; omit for the overview.",
                "enum": [
                  "verdict",
                  "blindness",
                  "rail",
                  "revocation",
                  "integrity",
                  "issuer_trust",
                  "limits"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "openWorldHint": false,
            "readOnlyHint": true,
            "title": "Explain a KeyHalve verdict"
          }
        }
      ]
    },
    "name": "KeyHalve - verify sealed documents",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": [
      {
        "registryType": "npm",
        "identifier": "@keyhalve/verify-mcp",
        "version": "0.1.0",
        "transport": "stdio"
      }
    ],
    "pageJsonUrl": "https://www.anchorterminal.com/tools/keyhalve-verify.json",
    "popularity": {
      "githubStars": 0,
      "npmWeekly": 37
    },
    "registryName": "com.keyhalve/verify",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://mcp.keyhalve.com/mcp"
      }
    ],
    "repository": "https://github.com/keyhalve/keyhalve-mcp",
    "reviewed": false,
    "slug": "keyhalve-verify",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=com.keyhalve/verify",
    "summary": "Free, no-account verification of KeyHalve-sealed documents. Read-only; never receives keys.",
    "updatedAt": "2026-08-03T01:46:51Z",
    "url": "https://www.anchorterminal.com/tools/keyhalve-verify",
    "vendor": "keyhalve.com",
    "vendorUrl": "https://keyhalve.com",
    "version": "1.0.1",
    "websiteUrl": "",
    "where": "both",
    "why": [
      "vendor"
    ]
  }
}