{
 "id": "org.askcerebrum/cerebrum",
 "name": "Cerebrum",
 "description": "Search the scientific literature and get a cited answer, plus the Trending in Science edition.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://askcerebrum.org/mcp"
 },
 "website": "https://askcerebrum.org/features",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 16,
  "successes": 16,
  "successRate": 1,
  "consecutiveSuccesses": 16,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T20:30:54.453Z",
  "lastLatencyMs": 6790,
  "toolsAdvertised": 2,
  "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_working",
   "tool": "get_trending",
   "attempts": 16,
   "successes": 3,
   "successRate": 0.188,
   "consecutiveSuccesses": 0,
   "lastStatus": "timeout",
   "lastMs": 9888,
   "sampleInput": "{}",
   "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=org.askcerebrum%2Fcerebrum",
 "page": "https://faceabot.com/tools/org.askcerebrum/cerebrum",
 "badge": {
  "image": "https://faceabot.com/badge/org.askcerebrum/cerebrum.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/org.askcerebrum/cerebrum.svg)](https://faceabot.com/tools/org.askcerebrum/cerebrum)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T20:30:54.453Z",
   "ok": 1,
   "status": "ok",
   "ms": 6790,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-19T07:25:51.502Z",
   "ok": 1,
   "status": "ok",
   "ms": 8162,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-18T14:50:54.342Z",
   "ok": 1,
   "status": "ok",
   "ms": 8840,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-18T04:20:50.218Z",
   "ok": 1,
   "status": "ok",
   "ms": 6383,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-17T20:20:51.231Z",
   "ok": 1,
   "status": "ok",
   "ms": 7383,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-17T11:55:50.585Z",
   "ok": 1,
   "status": "ok",
   "ms": 5907,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-17T04:10:52.681Z",
   "ok": 1,
   "status": "ok",
   "ms": 6678,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-16T20:25:51.806Z",
   "ok": 1,
   "status": "ok",
   "ms": 6006,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-16T13:16:31.406Z",
   "ok": 1,
   "status": "ok",
   "ms": 9174,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-16T06:16:07.363Z",
   "ok": 1,
   "status": "ok",
   "ms": 7234,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-15T23:21:01.821Z",
   "ok": 1,
   "status": "ok",
   "ms": 6414,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-15T16:21:25.868Z",
   "ok": 1,
   "status": "ok",
   "ms": 7726,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T09:41:06.281Z",
   "ok": 1,
   "status": "ok",
   "ms": 3225,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T03:05:36.781Z",
   "ok": 1,
   "status": "ok",
   "ms": 3123,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-14T20:35:24.175Z",
   "ok": 1,
   "status": "ok",
   "ms": 5077,
   "f_status": "timeout"
  },
  {
   "at": "2026-10-14T14:00:49.828Z",
   "ok": 1,
   "status": "ok",
   "ms": 6063,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 2,
  "declaredReadOnly": 2,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "528f57df8ad5fc2024af585e10ff945e",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T20:20:51.414Z",
  "protocol": "2025-03-26",
  "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."
 }
}