failmodes

io.github.elyngved/failmodesVersion 0.1.0

MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes

Status

Responds1088 msNov 14, 2026, 14:50 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://www.failmodes.com/api/mcpResponds1088 msNov 14, 2026, 14:50 UTC

No sign-in

claude mcp add --transport http failmodes https://www.failmodes.com/api/mcp

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Settings > Connectors > Add custom connector
Name: failmodes
Remote MCP server URL: https://www.failmodes.com/api/mcp

{
  "mcpServers": {
    "failmodes": {
      "url": "https://www.failmodes.com/api/mcp"
    }
  }
}

code --add-mcp '{"name":"failmodes","type":"http","url":"https://www.failmodes.com/api/mcp"}'

Streamable HTTP

npm: failmodes-mcp 0.1.0

Package only

claude mcp add failmodes -- npx -y failmodes-mcp@0.1.0

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4 tools

Tools of failmodes
	Description		Read-only	Idempotent	Open world
`get_failure_mode`Retrieve the full structured record for a single failure mode by its ID slug (e.g. 'citation-hallucination', 'sycophancy').	Retrieve the full structured record for a single failure mode by its ID slug (e.g. 'citation-hallucination', 'sycophancy').	Not declared	Not declared	Not declared	Not declared
`list_categories`List all taxonomy categories with their IDs, names, descriptions, and mode counts.	List all taxonomy categories with their IDs, names, descriptions, and mode counts.	Not declared	Not declared	Not declared	Not declared
`list_modes`List failure modes, optionally filtered to a single category by category ID.	List failure modes, optionally filtered to a single category by category ID.	Not declared	Not declared	Not declared	Not declared
`search_failure_modes`Search the Fail Modes taxonomy by symptom text or keyword phrase. Returns ranked matches with id, name, category, and matched context.	Search the Fail Modes taxonomy by symptom text or keyword phrase. Returns ranked matches with id, name, category, and matched context.	Not declared	Not declared	Not declared	Not declared

Registry status: Active
Published: Jul 5, 2026
Updated: Jul 5, 2026
Website: Not given
Repository: https://github.com/elyngved/failmodes-mcp⁠ (opens in a new tab)
Categories (suggested): Knowledge and notesSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared