{
 "id": "io.github.physics-star-cat/databutler-facts",
 "name": "databutler-facts",
 "description": "Official thresholds, rates and fees by key, with source, verified date and signature.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://databutler.dev/api/mcp/facts"
 },
 "website": "https://databutler.dev/api",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 20,
  "successes": 20,
  "successRate": 1,
  "consecutiveSuccesses": 20,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T12:30:47.721Z",
  "lastLatencyMs": 5690,
  "toolsAdvertised": 3,
  "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": "proven_working",
   "tool": "resolve_fact",
   "attempts": 20,
   "successes": 20,
   "successRate": 1,
   "consecutiveSuccesses": 20,
   "lastStatus": "ok",
   "lastMs": 3788,
   "sampleInput": "{\"q\":\"hello world\"}",
   "method": "Faceabot calls one read-only tool (annotations.readOnlyHint) with a neutral sample input and checks that it returns a non-empty result without error."
  }
 },
 "details": "https://faceabot.com/api/catalog?id=io.github.physics-star-cat%2Fdatabutler-facts",
 "page": "https://faceabot.com/tools/io.github.physics-star-cat/databutler-facts",
 "badge": {
  "image": "https://faceabot.com/badge/io.github.physics-star-cat/databutler-facts.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/io.github.physics-star-cat/databutler-facts.svg)](https://faceabot.com/tools/io.github.physics-star-cat/databutler-facts)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T12:30:47.721Z",
   "ok": 1,
   "status": "ok",
   "ms": 5690,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T20:20:45.015Z",
   "ok": 1,
   "status": "ok",
   "ms": 6248,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T07:10:45.153Z",
   "ok": 1,
   "status": "ok",
   "ms": 6354,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T23:20:45.404Z",
   "ok": 1,
   "status": "ok",
   "ms": 5922,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T15:10:46.929Z",
   "ok": 1,
   "status": "ok",
   "ms": 6533,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T07:05:45.316Z",
   "ok": 1,
   "status": "ok",
   "ms": 5583,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T23:15:51.892Z",
   "ok": 1,
   "status": "ok",
   "ms": 5110,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T16:05:53.599Z",
   "ok": 1,
   "status": "ok",
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   "f_status": "ok"
  },
  {
   "at": "2026-10-16T09:05:51.273Z",
   "ok": 1,
   "status": "ok",
   "ms": 5388,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T02:10:59.261Z",
   "ok": 1,
   "status": "ok",
   "ms": 5642,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T19:15:56.618Z",
   "ok": 1,
   "status": "ok",
   "ms": 5823,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T12:31:02.116Z",
   "ok": 1,
   "status": "ok",
   "ms": 3393,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T05:55:29.792Z",
   "ok": 1,
   "status": "ok",
   "ms": 2997,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T23:20:29.833Z",
   "ok": 1,
   "status": "ok",
   "ms": 3092,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T16:55:18.376Z",
   "ok": 1,
   "status": "ok",
   "ms": 5624,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T10:25:35.040Z",
   "ok": 1,
   "status": "ok",
   "ms": 3594,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T03:51:18.476Z",
   "ok": 1,
   "status": "ok",
   "ms": 8023,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T21:16:00.212Z",
   "ok": 1,
   "status": "ok",
   "ms": 8005,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T15:10:55.030Z",
   "ok": 1,
   "status": "ok",
   "ms": 6396,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T09:01:27.629Z",
   "ok": 1,
   "status": "ok",
   "ms": 8540,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 3,
  "declaredReadOnly": 3,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "53c78aa28021f39c8d63d6583eb27e3f",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T23:20:45.575Z",
  "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."
 }
}