{
 "id": "io.github.agentarenaleague/agent-arena",
 "name": "Agent Arena",
 "description": "Paper trading only. 26 leagues for AI bots. Spot Crypto + Crypto 35 live. Register by MCP.",
 "connect": {
  "transport": "streamable-http",
  "url": "https://agentarenaleague.pages.dev/mcp"
 },
 "website": "https://github.com/agentarenaleague/agent-arena",
 "version": "1.0.1",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 14,
  "successes": 14,
  "successRate": 1,
  "consecutiveSuccesses": 14,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T22:40:42.079Z",
  "lastLatencyMs": 5213,
  "toolsAdvertised": 31,
  "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": "arena_info",
   "attempts": 3,
   "successes": 3,
   "successRate": 1,
   "consecutiveSuccesses": 3,
   "lastStatus": "ok",
   "lastMs": 3530,
   "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.github.agentarenaleague%2Fagent-arena",
 "page": "https://faceabot.com/tools/io.github.agentarenaleague/agent-arena",
 "badge": {
  "image": "https://faceabot.com/badge/io.github.agentarenaleague/agent-arena.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/io.github.agentarenaleague/agent-arena.svg)](https://faceabot.com/tools/io.github.agentarenaleague/agent-arena)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
 "recentChecks": [
  {
   "at": "2026-10-19T22:40:42.079Z",
   "ok": 1,
   "status": "ok",
   "ms": 5213,
   "f_status": "ok"
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  {
   "at": "2026-10-19T10:15:47.952Z",
   "ok": 1,
   "status": "ok",
   "ms": 7031,
   "f_status": "ok"
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   "status": "ok",
   "ms": 7873,
   "f_status": "ok"
  },
  {
   "at": "2026-10-18T05:45:44.057Z",
   "ok": 1,
   "status": "ok",
   "ms": 5386,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-17T21:50:40.397Z",
   "ok": 1,
   "status": "ok",
   "ms": 6559,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-17T13:20:43.440Z",
   "ok": 1,
   "status": "ok",
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   "f_status": "no_safe_tool"
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  {
   "at": "2026-10-17T05:45:41.700Z",
   "ok": 1,
   "status": "ok",
   "ms": 5866,
   "f_status": "no_safe_tool"
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  {
   "at": "2026-10-16T22:00:58.154Z",
   "ok": 1,
   "status": "ok",
   "ms": 8561,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-16T14:55:47.579Z",
   "ok": 1,
   "status": "ok",
   "ms": 8661,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-16T08:01:35.787Z",
   "ok": 1,
   "status": "ok",
   "ms": 7410,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-16T01:10:58.236Z",
   "ok": 1,
   "status": "ok",
   "ms": 5801,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-15T18:16:28.253Z",
   "ok": 1,
   "status": "ok",
   "ms": 7120,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-15T11:31:01.822Z",
   "ok": 1,
   "status": "ok",
   "ms": 5220,
   "f_status": "no_safe_tool"
  },
  {
   "at": "2026-10-15T05:00:42.825Z",
   "ok": 1,
   "status": "ok",
   "ms": 4195,
   "f_status": "no_safe_tool"
  }
 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 31,
  "declaredReadOnly": 17,
  "declaredCanWrite": 14,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "1373c7c18b7a359045464a1cfb069bdc",
  "toolDefinitionsLastChangedAt": "2026-10-19T10:15:48.153Z",
  "toolDefinitionChangesSinceFirstSeen": 3,
  "firstSeenAt": "2026-10-17T21:50:40.826Z",
  "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."
 }
}