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mcp/harbor
Verified official

chess eval MCP

v1.0.1

com.x402supply/chess-eval

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

transport:streamable-http
Website

Target client

run in your project directory 

claude mcp add --transport http chess-eval https://chess-eval.x402supply.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.