Stockfish
About
Enables AI to communicate with the Stockfish chess engine.
Details
- Author
- sonirico
- Categories
- Other, Developer Tools
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Setup
Install Stockfish in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/sonirico/mcp-stockfish
Follow the installation instructions in the repository README, then restart your MCP client.
A Model Context Protocol server that lets your AI talk to Stockfish. Because apparently we needed to make chess engines even more accessible to our silicon overlords.
🧠⚡🖥️Your LLM thinks, Stockfish calculates, you pretend you understand the resulting 15-move tactical sequence.
This creates a bridge between AI systems and the Stockfish chess engine via the MCP protocol. It handles multiple concurrent sessions because your AI probably wants to analyze seventeen positions simultaneously while you're still figuring out why your knight is hanging.
Built onmark3labs/mcp-go. Because reinventing wheels is for people with too much time.
- 🔄 Concurrent Sessions: Run multiple Stockfish instances without your CPU crying
- ⚡ Full UCI Support: All the commands you need, none of the ones you don't
- 🎯 Actually Works: Unlike your last side project, this one has proper error handling
- 📊 JSON Everything: Because apparently we can't just use plain text anymore
- 🐳 Docker Ready: Containerized for when you inevitably break your local setup
git clone https://github.com/sonirico/mcp-stockfish cd mcp-stockfish make install
# Default mode (stdio, because we're old school) mcp-stockfish # With custom Stockfish path (for the special snowflakes) MCP_STOCKFISH_PATH=/your/special/stockfish mcp-stockfish # HTTP mode (for the web-scale crowd) MCP_STOCKFISH_SERVER_MODE=http mcp-stockfish
- MCP_STOCKFISH_SERVER_MODE: "stdio" or "http" (default: "stdio")
- MCP_STOCKFISH_HTTP_HOST: HTTP host (default: "localhost")
- MCP_STOCKFISH_HTTP_PORT: HTTP port (default: 8080)
- MCP_STOCKFISH_PATH: Path to Stockfish binary (default: "stockfish")
- MCP_STOCKFISH_MAX_SESSIONS: Max concurrent sessions (default: 10)
- MCP_STOCKFISH_SESSION_TIMEOUT: Session timeout (default: "30m")
- MCP_STOCKFISH_COMMAND_TIMEOUT: Command timeout (default: "30s")
- MCP_STOCKFISH_LOG_LEVEL: debug, info, warn, error, fatal
- MCP_STOCKFISH_LOG_FORMAT: json, console
- MCP_STOCKFISH_LOG_OUTPUT: stdout, stderr
- command: UCI command to execute
- session_id: Session ID (optional, we'll make one up if you don't)
{ "status": "success|error", "session_id": "some-uuid", "command": "what you asked for", "response": ["what stockfish said"], "error": "what went wrong (if anything)" }
- Spawn Stockfish processes on demand
- Keep UCI state between commands
- Clean up when you're done (or when they timeout)
- Enforce limits so you don't fork-bomb yourself
{ "mcpServers": { "chess": { "command": "mcp-stockfish", "env": { "MCP_STOCKFISH_LOG_LEVEL": "info" } } } }
make deps # Get dependencies make build # Build the thing make test # Run tests (when they exist) make fmt # Make it pretty
- TheStockfish teamfor making chess engines that don't suck
- MCP SDK for Gofor handling the protocol so I don't have to
- Coffee
MIT - Do whatever you want, just don't blame me when it breaks.
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