{
 "id": "app.shelfclub/books",
 "name": "Shelfclub",
 "description": "Search a catalog of 1.7 million books and find books by mood, vibe, pace or genre. Read-only.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://mcp.shelfclub.app/mcp"
 },
 "website": "https://shelfclub.app",
 "version": "0.2.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "flaky",
  "attempts": 12,
  "successes": 11,
  "successRate": 0.917,
  "consecutiveSuccesses": 0,
  "lastStatus": "timeout",
  "lastCheckedAt": "2026-10-12T03:35:54.639Z",
  "lastLatencyMs": 8001,
  "toolsAdvertised": 6,
  "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": "find_books_by_mood",
   "attempts": 11,
   "successes": 0,
   "successRate": 0,
   "consecutiveSuccesses": 0,
   "lastStatus": "tool_error",
   "lastMs": 3283,
   "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=app.shelfclub%2Fbooks",
 "page": "https://faceabot.com/tools/app.shelfclub/books",
 "badge": {
  "image": "https://faceabot.com/badge/app.shelfclub/books.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/app.shelfclub/books.svg)](https://faceabot.com/tools/app.shelfclub/books)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-12T03:35:54.639Z",
   "ok": 0,
   "status": "timeout",
   "ms": 8001,
   "f_status": null
  },
  {
   "at": "2026-10-11T21:31:08.039Z",
   "ok": 1,
   "status": "ok",
   "ms": 9640,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-11T15:25:52.869Z",
   "ok": 1,
   "status": "ok",
   "ms": 8377,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-11T09:21:08.683Z",
   "ok": 1,
   "status": "ok",
   "ms": 9331,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-11T03:16:08.321Z",
   "ok": 1,
   "status": "ok",
   "ms": 8750,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-10T21:10:58.767Z",
   "ok": 1,
   "status": "ok",
   "ms": 8474,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-10T15:05:53.204Z",
   "ok": 1,
   "status": "ok",
   "ms": 7454,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-10T08:55:56.042Z",
   "ok": 1,
   "status": "ok",
   "ms": 8235,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-10T02:46:06.675Z",
   "ok": 1,
   "status": "ok",
   "ms": 8359,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-09T20:21:02.575Z",
   "ok": 1,
   "status": "ok",
   "ms": 8691,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-09T13:21:00.084Z",
   "ok": 1,
   "status": "ok",
   "ms": 10516,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-09T06:01:38.298Z",
   "ok": 1,
   "status": "ok",
   "ms": 9307,
   "f_status": "tool_error"
  }
 ]
}