{
 "id": "io.arxo/charter",
 "name": "UN Charter 1945",
 "description": "UN Charter (1945, as amended) as an executable model with worked cases; not UN-affiliated",
 "connect": {
  "transport": "streamable-http",
  "url": "https://mcp.arxo.io/mcp/charter"
 },
 "website": "https://charter.law.arxo.io/",
 "version": "0.1.8",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 15,
  "successes": 15,
  "successRate": 1,
  "consecutiveSuccesses": 15,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T20:35:42.475Z",
  "lastLatencyMs": 6596,
  "toolsAdvertised": 20,
  "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": "law_query",
   "attempts": 15,
   "successes": 0,
   "successRate": 0,
   "consecutiveSuccesses": 0,
   "lastStatus": "tool_error",
   "lastMs": 2629,
   "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=io.arxo%2Fcharter",
 "page": "https://faceabot.com/tools/io.arxo/charter",
 "badge": {
  "image": "https://faceabot.com/badge/io.arxo/charter.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/io.arxo/charter.svg)](https://faceabot.com/tools/io.arxo/charter)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T20:35:42.475Z",
   "ok": 1,
   "status": "ok",
   "ms": 6596,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-19T07:35:42.458Z",
   "ok": 1,
   "status": "ok",
   "ms": 6333,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-18T15:01:10.900Z",
   "ok": 1,
   "status": "ok",
   "ms": 8046,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-18T04:25:43.176Z",
   "ok": 1,
   "status": "ok",
   "ms": 6045,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-17T20:25:41.744Z",
   "ok": 1,
   "status": "ok",
   "ms": 5529,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-17T12:00:48.677Z",
   "ok": 1,
   "status": "ok",
   "ms": 7185,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-17T04:20:49.206Z",
   "ok": 1,
   "status": "ok",
   "ms": 5624,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-16T20:35:47.713Z",
   "ok": 1,
   "status": "ok",
   "ms": 4973,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-16T13:25:54.802Z",
   "ok": 1,
   "status": "ok",
   "ms": 7677,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-16T06:31:52.628Z",
   "ok": 1,
   "status": "ok",
   "ms": 6117,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-15T23:36:17.357Z",
   "ok": 1,
   "status": "ok",
   "ms": 4965,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-15T16:36:15.050Z",
   "ok": 1,
   "status": "ok",
   "ms": 6252,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-15T09:56:01.504Z",
   "ok": 1,
   "status": "ok",
   "ms": 4151,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-15T03:25:30.174Z",
   "ok": 1,
   "status": "ok",
   "ms": 3554,
   "f_status": "tool_error"
  },
  {
   "at": "2026-10-14T21:00:22.052Z",
   "ok": 1,
   "status": "ok",
   "ms": 8164,
   "f_status": "tool_error"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 20,
  "declaredReadOnly": 17,
  "declaredCanWrite": 3,
  "declaredDestructive": 1,
  "toolDefinitionsFingerprint": "56533f657bb0cd4f5ddf69dc32ffe4d9",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
  "firstSeenAt": "2026-10-17T20:25:41.912Z",
  "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."
 }
}