{
 "id": "dev.workers.mike-tusa.plaingrade-api/plaingrade-api",
 "name": "PlainGrade",
 "description": "English readability scores (Flesch, Flesch-Kincaid, Fog, SMOG) and text stats. Text never stored.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://plaingrade-api.mike-tusa.workers.dev/mcp"
 },
 "website": "https://plaingrade-api.mike-tusa.workers.dev/",
 "version": "0.4.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 24,
  "successes": 24,
  "successRate": 1,
  "consecutiveSuccesses": 24,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T21:50:45.670Z",
  "lastLatencyMs": 9072,
  "toolsAdvertised": 1,
  "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": "score_readability",
   "attempts": 24,
   "successes": 24,
   "successRate": 1,
   "consecutiveSuccesses": 24,
   "lastStatus": "ok",
   "lastMs": 2878,
   "sampleInput": "{\"text\":\"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=dev.workers.mike-tusa.plaingrade-api%2Fplaingrade-api",
 "page": "https://faceabot.com/tools/dev.workers.mike-tusa.plaingrade-api/plaingrade-api",
 "badge": {
  "image": "https://faceabot.com/badge/dev.workers.mike-tusa.plaingrade-api/plaingrade-api.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/dev.workers.mike-tusa.plaingrade-api/plaingrade-api.svg)](https://faceabot.com/tools/dev.workers.mike-tusa.plaingrade-api/plaingrade-api)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T21:50:45.670Z",
   "ok": 1,
   "status": "ok",
   "ms": 9072,
   "f_status": "ok"
  },
  {
   "at": "2026-10-19T09:25:44.737Z",
   "ok": 1,
   "status": "ok",
   "ms": 8251,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T16:30:50.555Z",
   "ok": 1,
   "status": "ok",
   "ms": 7069,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T05:15:44.224Z",
   "ok": 1,
   "status": "ok",
   "ms": 6547,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T21:20:41.922Z",
   "ok": 1,
   "status": "ok",
   "ms": 4659,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T12:50:43.410Z",
   "ok": 1,
   "status": "ok",
   "ms": 5650,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T05:10:43.925Z",
   "ok": 1,
   "status": "ok",
   "ms": 5448,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T21:25:43.173Z",
   "ok": 1,
   "status": "ok",
   "ms": 5835,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T14:21:11.549Z",
   "ok": 1,
   "status": "ok",
   "ms": 5898,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T07:20:54.194Z",
   "ok": 1,
   "status": "ok",
   "ms": 5211,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T00:25:48.564Z",
   "ok": 1,
   "status": "ok",
   "ms": 4519,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T17:31:59.957Z",
   "ok": 1,
   "status": "ok",
   "ms": 7732,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T10:46:00.399Z",
   "ok": 1,
   "status": "ok",
   "ms": 3262,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T04:10:31.504Z",
   "ok": 1,
   "status": "ok",
   "ms": 4921,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T21:45:19.486Z",
   "ok": 1,
   "status": "ok",
   "ms": 7664,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T15:15:18.772Z",
   "ok": 1,
   "status": "ok",
   "ms": 7520,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T08:50:34.526Z",
   "ok": 1,
   "status": "ok",
   "ms": 4258,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T02:06:14.624Z",
   "ok": 1,
   "status": "ok",
   "ms": 9009,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T19:55:53.631Z",
   "ok": 1,
   "status": "ok",
   "ms": 8600,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T13:50:59.555Z",
   "ok": 1,
   "status": "ok",
   "ms": 8445,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 1,
  "declaredReadOnly": 1,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "9e2e07fe0a87d4e912b7c7b1c0f4ff6b",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T21:20:42.093Z",
  "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."
 }
}