What tools does the chess-eval MCP server provide?

chess-eval exposes 2 tools: best_line, evaluate_position. This list was returned by the running server when we connected to it.

Does chess-eval require an API key?

No. chess-eval answered a tools/list request without credentials.

How do I install chess-eval?

Run: claude mcp add --transport http chess-eval https://chess-eval.x402supply.com/mcp. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 28h ago

chess-eval

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

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Install

Remote (HTTP)

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

Tools 2

GitHub stars —

Installs / wk —

Licence —

Transport streamable-http

Last checked 28h ago

Tools & capabilities

2 tools

Read from the running server on 28h ago.

best_line fen*depthmaxPlies

Play out Stockfish's predicted principal variation as SAN moves with a per-ply eval, re-searching after each ply.

evaluate_position fen*depthmultipv

Evaluate a chess position with Stockfish: best move, centipawn/mate score, principal variation, and optional multipv. No mocks — a real single-threaded Stockfish 10 (asm.js) runs i…