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Is Cairn reliable?

Reliable (measured) Yes. Faceabot measured Cairn 14 times: 100% of checks succeeded, including the last 14 in a row (last check 2026-10-19 11:05 UTC). It also does the job: its real read-only task worked 14 of 14 times.

Last check: 2026-10-19 11:05 UTC · answered in 6888 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

Workplace safety citation counts, penalties and 29 CFR standards data for AI assistants

Source: official MCP registry (registry.modelcontextprotocol.io) · version 1.1.0 · publisher website
Connect your agent
{
  "mcpServers": {
    "cairn": {
      "url": "https://cairnsafe.com/mcp"
    }
  }
}
Or ask Faceabot first: MCP tool check_reliability {"id":"com.cairnsafe/cairn"} on https://faceabot.com/api/mcp.
Does it actually do the job?

Does the job (tested) — Faceabot asked top_cited_standards to do a small read-only task 14 time(s): 14 returned a real result, the last 14 in a row. Last result: ok in 3229 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 11:05 UTC✅ ok✅ done6888 ms
2026-10-18 18:30 UTC✅ ok✅ done5024 ms
2026-10-18 06:15 UTC✅ ok✅ done7909 ms
2026-10-17 22:20 UTC✅ ok✅ done8229 ms
2026-10-17 14:01 UTC✅ ok✅ done9581 ms
2026-10-17 06:05 UTC✅ ok✅ done7578 ms
2026-10-16 22:20 UTC✅ ok✅ done6303 ms
2026-10-16 15:10 UTC✅ ok✅ done7969 ms
2026-10-16 08:11 UTC✅ ok✅ done9471 ms
2026-10-16 01:16 UTC✅ ok✅ done9302 ms
2026-10-15 18:21 UTC✅ ok✅ done10287 ms
2026-10-15 11:36 UTC✅ ok✅ done7113 ms
2026-10-15 05:00 UTC✅ ok✅ done4272 ms
2026-10-14 22:30 UTC✅ ok✅ done6860 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 Cairn?

Show your measured reliability on your README or website:

Faceabot reliability badge for Cairn

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

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