Chess Analysis Assistant for Claude

This tool helps you analyze chess positions and get professional evaluations using Stockfish, right within Claude! You can:

Get position evaluations
See visual board representations
Analyze different moves and variations
Look up positions in the masters database (games played by 2200+ rated players)

Requirements

Claude Desktop installed on your computer
Git installed on your system

Quick Installation

Mac and Linux Users

Open Terminal and run this command:

curl -fsSL https://raw.githubusercontent.com/turlockmike/chess-mcp/master/install.sh | bash

That's it! The script will:

Install required dependencies (Node.js 20+, Stockfish, Cairo)
Configure Claude Desktop
Set up the Chess Assistant

Manual Installation (Windows or Advanced Users)

If you prefer to install manually or are using Windows, follow these steps:

Requirements

Claude Desktop
Node.js version 20 or higher
Stockfish chess engine
Cairo graphics library (for board visualization)

Step-by-Step Installation

Step 1: Install Dependencies

Mac Users:

# Install Homebrew if you haven't already
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

# Install required packages
brew install stockfish cairo pkg-config jq

Windows Users:

Install Node.js (LTS version)
Download Stockfish and add it to your PATH
Install Cairo

Step 2: Install Chess Assistant

npm install -g chess-mcp

Step 3: Configure Claude Desktop

Open Claude Desktop
Navigate to the configuration file:
- Mac: ~/Library/Application Support/Claude/claude_desktop_config.json
- Windows: %APPDATA%/Claude/claude_desktop_config.json
Add this configuration:

{
    "mcpServers": {
        "chess": {
            "command": "npx",
            "args": ["chess-mcp"]
        }
    }
}

Save and restart Claude Desktop

Using the Chess Assistant

Open Claude Desktop
Look for the tools icon (🔧) - it should show chess analysis tools
Try these example prompts:
- "Analyze this position: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"
- "Show me the current position"
- "What's the best move in this position?"
- "Look up this position in the masters database"
- "Show me master games from this position after 2000"
- "What are the most common moves played by masters in this position?"

Features

Position Analysis

Engine evaluation using Stockfish
Visual board representation
Best move suggestions
Move validation

Masters Database

Search positions in games played by 2200+ rated players
Filter games by date range
See win/draw statistics
View most common moves with success rates
Browse recent master games with player ratings

Need Help?

If you run into any issues:

Make sure all requirements are installed correctly
Verify Stockfish is accessible from your command line
Check that all paths in your Claude Desktop configuration are correct
Restart Claude Desktop after making any changes

Common Issues

"Tools not showing up in Claude": Make sure you've configured Claude Desktop correctly
"Stockfish not found": Verify Stockfish is installed and accessible from the command line
"Node version error": Make sure you have Node.js version 20 or higher installed
"Canvas installation failed": Make sure Cairo is installed correctly for your operating system