CorpusFetch

Connect Remote server

claude mcp add --transport http corpusfetch https://mcp.corpusfetch.com/mcp

{
  "mcpServers": {
    "corpusfetch": {
      "url": "https://mcp.corpusfetch.com/mcp"
    }
  }
}

{
  "servers": {
    "corpusfetch": {
      "type": "http",
      "url": "https://mcp.corpusfetch.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://mcp.corpusfetch.com/mcp

Tools 6 found in our last check

• corpusfetch_fetch_record

  Fetch the full resolved experience record. Format `md` (~1,500 tokens, includes reasoning) or `py` (~300 tokens, zero-prose executable invariants).

• corpusfetch_fetch_warrant

  Fetch the compact ~220-token precondition seal for a resolved record. Always call this before `corpusfetch_fetch_record`—check the seal first; if it fails, the record does not apply to your current state.

• corpusfetch_lookup_exception

  Look up operational experience for an exact Python exception class (e.g., KeyError, TimeoutError, ConnectionError). Use when you encounter an unexpected runtime error and need an empirically verified boundary decision rather than a guess. Prefer `corpusfetch_search` when you hav…

• corpusfetch_lookup_symptom

  Look up operational experience for a specific runtime symptom or boundary failure (e.g., UNICODE_HOMOGLYPH_OR_MOJIBAKE). Use when facing an ambiguous failure state or unbounded reasoning loop. Prefer `corpusfetch_search` if you only have a loose description.

• corpusfetch_request_experience

  Request a new operational experience when `corpusfetch_search` returns no match. The corpus will generate and publish a record for your specific error or symptom within minutes. Use this instead of guessing when the problem is novel and no existing record applies.

• corpusfetch_search

  Search operational records for distributed systems failures, AI agent protocol issues, MCP/A2A problems, database anomalies, concurrency bugs, and runtime errors. Use when the user's problem involves infrastructure, agent-to-agent coordination, authentication, memory management,…

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