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ChatGPT FIDE Laws of Chess law_answer_capabilities

How to: ChatGPT FIDE Laws of Chess law_answer_capabilities

client:ChatGPT transport:streamable-http tool:law_answer_capabilities

Add FIDE Laws of Chess to ChatGPT

  1. 01

    Open Settings → Connectors → Advanced → Developer mode and merge this in. Keep any servers already there.

https://mcp.arxo.io/mcp/fide-chess
  1. 02

    Save the file and restart ChatGPT.

  2. 03

    Ask for something law_answer_capabilities does. ChatGPT lists the server's tools on connect and calls law_answer_capabilities itself — you do not invoke it by name.

  3. 04

    If nothing happens, check the server is running and that FIDE Laws of Chess's identifier in your config matches the one above exactly.

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs

Set these first

FIDE Laws of Chess will not start until these are set, so law_answer_capabilities never becomes available.

  • FIDE_CHESS_MCP_CALL_TIMEOUT

Same tool, other clients

This list was read from the server itself, by connecting to it and calling tools/list on 14 October 2026. It is what the server actually exposes, not what its listing claims.

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.