{
 "id": "family.circuit/marketplace",
 "name": "Circuit",
 "description": "Find and try paid AI agent skills for security, on-chain data, code, markets, research and news.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://www.circuit.family/mcp"
 },
 "website": "https://www.circuit.family",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 32,
  "successes": 32,
  "successRate": 1,
  "consecutiveSuccesses": 32,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T21:50:46.576Z",
  "lastLatencyMs": 9593,
  "toolsAdvertised": 4,
  "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": "find_skills",
   "attempts": 32,
   "successes": 32,
   "successRate": 1,
   "consecutiveSuccesses": 32,
   "lastStatus": "ok",
   "lastMs": 3263,
   "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=family.circuit%2Fmarketplace",
 "page": "https://faceabot.com/tools/family.circuit/marketplace",
 "badge": {
  "image": "https://faceabot.com/badge/family.circuit/marketplace.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/family.circuit/marketplace.svg)](https://faceabot.com/tools/family.circuit/marketplace)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T21:50:46.576Z",
   "ok": 1,
   "status": "ok",
   "ms": 9593,
   "f_status": "ok"
  },
  {
   "at": "2026-10-19T09:25:45.199Z",
   "ok": 1,
   "status": "ok",
   "ms": 8263,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T16:30:50.128Z",
   "ok": 1,
   "status": "ok",
   "ms": 6336,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T05:15:43.377Z",
   "ok": 1,
   "status": "ok",
   "ms": 5302,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T21:15:43.884Z",
   "ok": 1,
   "status": "ok",
   "ms": 5963,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T12:45:45.170Z",
   "ok": 1,
   "status": "ok",
   "ms": 7342,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T05:05:44.594Z",
   "ok": 1,
   "status": "ok",
   "ms": 5493,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T21:20:53.203Z",
   "ok": 1,
   "status": "ok",
   "ms": 4848,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T14:10:53.822Z",
   "ok": 1,
   "status": "ok",
   "ms": 6157,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T07:10:49.565Z",
   "ok": 1,
   "status": "ok",
   "ms": 6693,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T00:15:52.818Z",
   "ok": 1,
   "status": "ok",
   "ms": 7334,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T17:21:36.797Z",
   "ok": 1,
   "status": "ok",
   "ms": 8805,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T10:36:02.575Z",
   "ok": 1,
   "status": "ok",
   "ms": 5200,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T04:00:32.886Z",
   "ok": 1,
   "status": "ok",
   "ms": 6235,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T21:35:18.336Z",
   "ok": 1,
   "status": "ok",
   "ms": 5809,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T15:00:52.340Z",
   "ok": 1,
   "status": "ok",
   "ms": 5292,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T08:35:34.247Z",
   "ok": 1,
   "status": "ok",
   "ms": 3400,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T01:46:15.344Z",
   "ok": 1,
   "status": "ok",
   "ms": 8815,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T19:35:52.721Z",
   "ok": 1,
   "status": "ok",
   "ms": 7822,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T13:31:07.387Z",
   "ok": 1,
   "status": "ok",
   "ms": 7442,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 4,
  "declaredReadOnly": 4,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "93c786a51848bcb8f2b459d66b269bd2",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T21:15:44.045Z",
  "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."
 }
}