chess eval for ChatGPT

com.x402supply/chess-eval

Stockfish chess eval: best move, score, principal variation, multipv. $0.005/call via x402.

client:ChatGPT transport:streamable-http tools:2

Install chess eval in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://chess-eval.x402supply.com/mcp

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