{
 "id": "co.proofsource/proofsource",
 "name": "Proofsource",
 "description": "AI visibility: which buyer questions name your brand in ChatGPT, Perplexity, Claude, AI Overviews.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://app.proofsource.co/v1/mcp"
 },
 "website": "https://proofsource.co/ai-assistants",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 22,
  "successes": 22,
  "successRate": 1,
  "consecutiveSuccesses": 22,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T22:00:48.124Z",
  "lastLatencyMs": 8210,
  "toolsAdvertised": 14,
  "method": "MCP initialize + tools/list from Faceabot, identified as FaceabotProbe/1.0 plus, when the server declares a read-only tool (readOnlyHint), one call of that tool with a neutral sample input to check it really returns a result. Servers on the 2026-07-28 MCP revision (no initialize handshake) get the same checks in that revision",
  "work": {
   "verdict": "not_tested",
   "note": "Faceabot has not run a real task on this server yet (it only tests tools that declare themselves read-only)."
  }
 },
 "details": "https://faceabot.com/api/catalog?id=co.proofsource%2Fproofsource",
 "page": "https://faceabot.com/tools/co.proofsource/proofsource",
 "badge": {
  "image": "https://faceabot.com/badge/co.proofsource/proofsource.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/co.proofsource/proofsource.svg)](https://faceabot.com/tools/co.proofsource/proofsource)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T22:00:48.124Z",
   "ok": 1,
   "status": "ok",
   "ms": 8210,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-19T09:35:46.096Z",
   "ok": 1,
   "status": "ok",
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   "f_status": "auth_required"
  },
  {
   "at": "2026-10-18T16:35:42.667Z",
   "ok": 1,
   "status": "ok",
   "ms": 6236,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-18T05:15:45.136Z",
   "ok": 1,
   "status": "ok",
   "ms": 7499,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T21:20:42.365Z",
   "ok": 1,
   "status": "ok",
   "ms": 5311,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T12:50:43.988Z",
   "ok": 1,
   "status": "ok",
   "ms": 5950,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-17T05:10:44.152Z",
   "ok": 1,
   "status": "ok",
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   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T21:25:42.487Z",
   "ok": 1,
   "status": "ok",
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   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T14:15:55.083Z",
   "ok": 1,
   "status": "ok",
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   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T07:15:55.985Z",
   "ok": 1,
   "status": "ok",
   "ms": 6558,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-16T00:20:52.575Z",
   "ok": 1,
   "status": "ok",
   "ms": 6491,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T17:26:18.440Z",
   "ok": 1,
   "status": "ok",
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   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T10:41:02.536Z",
   "ok": 1,
   "status": "ok",
   "ms": 4716,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-15T04:05:29.906Z",
   "ok": 1,
   "status": "ok",
   "ms": 3264,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T21:40:19.129Z",
   "ok": 1,
   "status": "ok",
   "ms": 6614,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T15:10:19.195Z",
   "ok": 1,
   "status": "ok",
   "ms": 6336,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T08:45:33.266Z",
   "ok": 1,
   "status": "ok",
   "ms": 2820,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-14T01:56:13.898Z",
   "ok": 1,
   "status": "ok",
   "ms": 7453,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T19:45:58.920Z",
   "ok": 1,
   "status": "ok",
   "ms": 9225,
   "f_status": "auth_required"
  },
  {
   "at": "2026-10-13T13:40:55.103Z",
   "ok": 1,
   "status": "ok",
   "ms": 8857,
   "f_status": "auth_required"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 14,
  "declaredReadOnly": 11,
  "declaredCanWrite": 3,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "9e77fd8caabb526219b001d7fc138f63",
  "toolDefinitionsLastChangedAt": "2026-10-19T09:35:46.398Z",
  "toolDefinitionChangesSinceFirstSeen": 1,
  "firstSeenAt": "2026-10-17T21:20:42.570Z",
  "protocol": "2025-06-18",
  "warnings": [],
  "note": "Facts observed by Faceabot when it last read this server's tool list. 'Can write' counts tools not declared read-only (annotations are self-declared). A changed fingerprint means tool names, descriptions or schemas changed since Faceabot first saw them: re-check before trusting an earlier approval."
 }
}