{
 "id": "com.faceruler/faceruler",
 "name": "FaceRuler",
 "description": "PSL score tiers, face shape classification and looksmaxxing term lookup from FaceRuler.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://faceruler.com/api/mcp"
 },
 "website": "https://faceruler.com",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 9,
  "successes": 9,
  "successRate": 1,
  "consecutiveSuccesses": 9,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T19:40:44.722Z",
  "lastLatencyMs": 8389,
  "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": "get_face_measurement_tool",
   "attempts": 9,
   "successes": 9,
   "successRate": 1,
   "consecutiveSuccesses": 9,
   "lastStatus": "ok",
   "lastMs": 2807,
   "sampleInput": "{\"measurement\":\"psl\"}",
   "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=com.faceruler%2Ffaceruler",
 "page": "https://faceabot.com/tools/com.faceruler/faceruler",
 "badge": {
  "image": "https://faceabot.com/badge/com.faceruler/faceruler.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/com.faceruler/faceruler.svg)](https://faceabot.com/tools/com.faceruler/faceruler)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T19:40:44.722Z",
   "ok": 1,
   "status": "ok",
   "ms": 8389,
   "f_status": "ok"
  },
  {
   "at": "2026-10-19T06:20:45.949Z",
   "ok": 1,
   "status": "ok",
   "ms": 8780,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T13:55:43.629Z",
   "ok": 1,
   "status": "ok",
   "ms": 6040,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T03:50:45.327Z",
   "ok": 1,
   "status": "ok",
   "ms": 8006,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T19:50:43.542Z",
   "ok": 1,
   "status": "ok",
   "ms": 6658,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T11:30:46.266Z",
   "ok": 1,
   "status": "ok",
   "ms": 6765,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T03:45:57.811Z",
   "ok": 1,
   "status": "ok",
   "ms": 8150,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T20:05:51.999Z",
   "ok": 1,
   "status": "ok",
   "ms": 8981,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T13:01:33.322Z",
   "ok": 1,
   "status": "ok",
   "ms": 8649,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 4,
  "declaredReadOnly": 4,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "9c2e87ddd54e1ef96625790015ba6505",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T19:50:43.710Z",
  "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."
 }
}