io.github.elyngved/failmodes

up checked 2026-11-11T11:38:54.889Z

Unclaimed · Unverified

Publisher-provided description

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

Summary by lookupd

Lets an agent look up, list, and search a taxonomy of AI system failure modes by ID, category, or symptom keywords.

Install

Claude Code, remote (streamable-http)

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

Claude Code, npm package (stdio)

claude mcp add failmodes -- npx -y failmodes-mcp

Codex, remote (streamable-http)

codex mcp add failmodes --url https://www.failmodes.com/api/mcp

Codex, npm package (stdio)

codex mcp add failmodes -- npx -y failmodes-mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "failmodes": {
      "command": "npx",
      "args": [
        "-y",
        "failmodes-mcp"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Publisher-provided text

search_failure_modes Search the Fail Modes taxonomy by symptom text or keyword phrase. Returns ranked matches with id, name, category, and matched context.
get_failure_mode Retrieve the full structured record for a single failure mode by its ID slug (e.g. 'citation-hallucination', 'sycophancy').
list_categories List all taxonomy categories with their IDs, names, descriptions, and mode counts.
list_modes List failure modes, optionally filtered to a single category by category ID.

Shows this live status and links here; updates hourly.

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