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Is Agent Arena reliable?

Reliable (measured) Yes. Faceabot measured Agent Arena 13 times: 100% of checks succeeded, including the last 13 in a row (last check 2026-10-19 10:15 UTC).

Last check: 2026-10-19 10:15 UTC · answered in 7031 ms · remote (no install)

En français : Fiable (mesuré). Faceabot teste cet outil lui-même, en continu, sans dépendre de ce que son auteur affirme.

What it does

Paper trading only. 26 leagues for AI bots. Spot Crypto + Crypto 35 live. Register by MCP.

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.0.1 · publisher website
Connect your agent
{
  "mcpServers": {
    "agent-arena": {
      "url": "https://agentarenaleague.pages.dev/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"io.github.agentarenaleague/agent-arena"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Real task being tested — Faceabot asked arena_info to do a small read-only task 2 time(s): 2 returned a real result, the last 2 in a row. Last result: ok in 3256 ms.

Sample input: {}. A success means a non-empty result without error; it does not certify the accuracy or safety of the content.
Faceabot measurements
WhenAnswersReal taskLatency
2026-10-19 10:15 UTC✅ ok✅ done7031 ms
2026-10-18 17:25 UTC✅ ok✅ done7873 ms
2026-10-18 05:45 UTC✅ ok—5386 ms
2026-10-17 21:50 UTC✅ ok—6559 ms
2026-10-17 13:20 UTC✅ ok—7606 ms
2026-10-17 05:45 UTC✅ ok—5866 ms
2026-10-16 22:00 UTC✅ ok—8561 ms
2026-10-16 14:55 UTC✅ ok—8661 ms
2026-10-16 08:01 UTC✅ ok—7410 ms
2026-10-16 01:10 UTC✅ ok—5801 ms
2026-10-15 18:16 UTC✅ ok—7120 ms
2026-10-15 11:31 UTC✅ ok—5220 ms
2026-10-15 05:00 UTC✅ ok—4195 ms
Method: MCP initialize then tools/list from Faceabot (FaceabotProbe/1.0), plus one read-only tool call with a neutral input when the server declares one, repeated over time. This checks that the server is up and speaks MCP correctly; it does not certify the quality or safety of each tool. How measurement works.

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Publisher of Agent Arena?

Show your measured reliability on your README or website:

Faceabot reliability badge for Agent Arena

[![Measured by Faceabot](https://faceabot.com/badge/io.github.agentarenaleague/agent-arena.svg)](https://faceabot.com/tools/io.github.agentarenaleague/agent-arena)
Data in JSON: /api/catalog?id=io.github.agentarenaleague/agent-arena · Stop probes: POST /api/reliability/opt-out

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