{
 "id": "si.fourzerotwo/data",
 "name": "fourzerotwo",
 "description": "400+ data APIs for agents: UK companies, property, trade, tenders, recalls, sanctions. Free tier",
 "connect": {
  "transport": "streamable-http",
  "url": "https://fourzerotwo.si/mcp"
 },
 "website": "https://fourzerotwo.si",
 "version": "1.2.1",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 28,
  "successes": 28,
  "successRate": 1,
  "consecutiveSuccesses": 28,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T20:50:40.599Z",
  "lastLatencyMs": 5302,
  "toolsAdvertised": 3,
  "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": "search_apis",
   "attempts": 28,
   "successes": 27,
   "successRate": 0.964,
   "consecutiveSuccesses": 27,
   "lastStatus": "ok",
   "lastMs": 2238,
   "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=si.fourzerotwo%2Fdata",
 "page": "https://faceabot.com/tools/si.fourzerotwo/data",
 "badge": {
  "image": "https://faceabot.com/badge/si.fourzerotwo/data.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/si.fourzerotwo/data.svg)](https://faceabot.com/tools/si.fourzerotwo/data)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T20:50:40.599Z",
   "ok": 1,
   "status": "ok",
   "ms": 5302,
   "f_status": "ok"
  },
  {
   "at": "2026-10-19T07:55:44.558Z",
   "ok": 1,
   "status": "ok",
   "ms": 6471,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T15:15:45.527Z",
   "ok": 1,
   "status": "ok",
   "ms": 7839,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T04:35:42.009Z",
   "ok": 1,
   "status": "ok",
   "ms": 5298,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T20:35:41.125Z",
   "ok": 1,
   "status": "ok",
   "ms": 5339,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T12:10:44.642Z",
   "ok": 1,
   "status": "ok",
   "ms": 5008,
   "f_status": "ok"
  },
  {
   "at": "2026-10-17T04:25:45.444Z",
   "ok": 1,
   "status": "ok",
   "ms": 5699,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T20:40:50.787Z",
   "ok": 1,
   "status": "ok",
   "ms": 6502,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T13:31:25.453Z",
   "ok": 1,
   "status": "ok",
   "ms": 9194,
   "f_status": "ok"
  },
  {
   "at": "2026-10-16T06:31:54.654Z",
   "ok": 1,
   "status": "ok",
   "ms": 8396,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T23:36:19.024Z",
   "ok": 1,
   "status": "ok",
   "ms": 7372,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T16:36:17.103Z",
   "ok": 1,
   "status": "ok",
   "ms": 7652,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T09:56:02.487Z",
   "ok": 1,
   "status": "ok",
   "ms": 4350,
   "f_status": "ok"
  },
  {
   "at": "2026-10-15T03:25:30.085Z",
   "ok": 1,
   "status": "ok",
   "ms": 2747,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T20:55:19.988Z",
   "ok": 1,
   "status": "ok",
   "ms": 8098,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T14:25:35.623Z",
   "ok": 1,
   "status": "ok",
   "ms": 4620,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T08:00:41.205Z",
   "ok": 1,
   "status": "ok",
   "ms": 3942,
   "f_status": "ok"
  },
  {
   "at": "2026-10-14T01:11:17.443Z",
   "ok": 1,
   "status": "ok",
   "ms": 8669,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T19:01:23.087Z",
   "ok": 1,
   "status": "ok",
   "ms": 8118,
   "f_status": "ok"
  },
  {
   "at": "2026-10-13T12:50:58.942Z",
   "ok": 1,
   "status": "ok",
   "ms": 10969,
   "f_status": "ok"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 3,
  "declaredReadOnly": 3,
  "declaredCanWrite": 0,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "d37edd290396a8917f92e8c50eb66b7e",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T20:35:41.408Z",
  "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."
 }
}