# com.x402supply/chess-eval

- Registry name: `com.x402supply/chess-eval` · version 1.0.1
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.x402supply%2Fchess-eval
- Server page: https://mcpstation.net/s/com.x402supply--chess-eval.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://chess-eval.x402supply.com/mcp`

## Tools (as reported by the server, not verified)

- `evaluate\_position`: 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 in-isolate per call.
- `best\_line`: Play out Stockfish's predicted principal variation as SAN moves with a per-ply eval, re-searching after each ply.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html