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      "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": {
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            "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",
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        "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.",
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              "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"
                }
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              "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"
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              },
              "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",
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  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/keyhalve-verify",
    "json": "https://www.anchorterminal.com/tools/keyhalve-verify.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/keyhalve-verify.md",
    "slim": "https://www.anchorterminal.com/tools/keyhalve-verify.min.md"
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  "markdown": "# KeyHalve - verify sealed documents\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 keyhalve.com (https://keyhalve.com)\n- Listed because: It's published in the registry under keyhalve.com, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Free, no-account verification of KeyHalve-sealed documents. Read-only; never receives keys.\n\n## Facts\n\n- MCP registry: `com.keyhalve/verify` 1.0.1\n- Endpoint: https://mcp.keyhalve.com/mcp (streamable HTTP)\n- Package: npm `@keyhalve/verify-mcp` (stdio)\n- Source: https://github.com/keyhalve/keyhalve-mcp\n- npm downloads a week: 37\n- GitHub stars: 0\n- Registry entry updated: 2026-08-03\n\n## Tools\n\n- Tools it lists (3, about 489 tokens of context, `tools/list` without credentials, checked 2026-10-04 22:23 UTC):\n  - `keyhalve_verify` (read-only): 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…\n  - `keyhalve_status` (read-only): Live status of a KeyHalve-sealed document by id: active, revoked (with reason/time), or outside its validity window. Lighter than keyhalve_verify — status…\n  - `keyhalve_explain` (read-only): Plain-language explanation of what a KeyHalve verification verdict means and why it can be trusted (blind rail, three-share custody, commitments, revocation).…\n- How its tools read to an agent (0 errors, 0 warnings, 1 note, about 489 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - note TC24 server: 3 of 3 tools have no outputSchema\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/keyhalve-verify.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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    "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"
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    "description": "KeyHalve - verify sealed documents, an MCP server by keyhalve.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Free, no-account verification of KeyHalve-sealed documents. Read-only; never receives keys.",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
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    "h1": "KeyHalve - verify sealed documents",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/keyhalve-verify",
    "published": "",
    "section": "indexed",
    "title": "KeyHalve - verify sealed documents | Anchor Terminal",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/tools/keyhalve-verify"
  },
  "tokens": {
    "markdown": 700,
    "slim": 630
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}