A comprehensive Model Context Protocol (MCP) server that provides advanced chess analysis capabilities by implementing Chess Context Protocol Server and integrating Stockfish engine evaluation, positional theme analysis, opening databases, puzzle training, game visualization, and chess knowledge for enhanced chess understanding and gameplay improvement.

• Stockfish Integration: Deep engine analysis with configurable search depth
• Theme Analysis: Evaluate material, mobility, space, positional factors, and king safety
• Variation Analysis: Compare multiple lines and track positional changes
• Move Validation: Check move legality and generate board state descriptions
• Game Review: Comprehensive game analysis with theme progression and critical moments

• Visual Board Rendering: Generate HTML chess boards for any position
• Dynamic Game Viewer: Interactive game replay with move navigation
• Puzzle Training: Access Lichess puzzle database with theme filtering
• Game Fetching: Retrieve user games from Lichess for analysis

• Lichess Master Games: Access master-level opening statistics and games
• Lichess User Games: Analyze how positions are played across skill levels
• Lichess Puzzle Database: 3+ million tactical puzzles with theme-based filtering
• ChessDB: Query extensive game databases for move evaluations and statistics

• Chess Principles: Silman's imbalances and Fine's 30 principles
• Endgame Theory: Essential endgame knowledge and patterns
• Strategic Concepts: Comprehensive chess improvement guidelines
• Puzzle Themes: 150+ tactical motifs and patterns

To install ChessAgine automatically via Smithery:

npx -y @smithery/cli install @jalpp/chessagine-mcp

Download the chessagine-mcp.mcpb file and install it directly in Claude Desktop:

1. Download the latest release from GitHub releases
2. Open Claude Desktop
3. Go to Settings → Extensions → Install from file
4. Select the chessagine-mcp.mcpb file
5. Restart Claude Desktop

• Node.js 20+
• npm or yarn package manager

git clone https://github.com/jalpp/chessagine-mcp.git
cd chessagine-mcp
npm install
npm run build:mcp

Add to your claude_desktop_config.json:

macOS/Linux:

{
  "mcpServers": {
    "chessagine-mcp": {
      "command": "node",
      "args": ["/absolute/path/to/chessagine-mcp/build/runner/stdio.js"]
    }
  }
}

Windows:

{
  "mcpServers": {
    "chessagine-mcp": {
      "command": "node", 
      "args": ["C:\\absolute\\path\\to\\chessagine-mcp\\build\\runner\\stdio.js"]
    }
  }
}

Follow Option 1 and upload the generated mcpb file to Claude Desktop directly.

Analyze this position: rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR b KQkq e3 0 1

Show me the board for this position: r1bqkbnr/pppp1ppp/2n5/4p3/4P3/5N2/PPPP1PPP/RNBQKB1R w KQkq - 2 3

Review this game and identify critical moments:
[Event "Casual Game"]
[White "Player1"]
[Black "Player2"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6...

Give me a tactical puzzle rated between 1500-1800 with a fork theme

Show me the recent games for Lichess user "Magnus_Carlsen"

Create an interactive viewer for this game: https://lichess.org/abc12345

What are the master games for the Sicilian Defense after 1.e4 c5 2.Nf3 d6?

Run Stockfish analysis on this position at depth 15: r1bqk2r/pppp1ppp/2n2n2/2b1p3/2B1P3/3P1N2/PPP2PPP/RNBQK2R w KQkq - 4 5

Compare these variations from the starting position:
1. e4 e5 2.Nf3 Nc6 3.Bb5
2. e4 e5 2.Nf3 Nc6 3.Bc4
3. e4 e5 2.Nf3 Nc6 3.d4

Analyze how the king safety theme changes in this line: 1.e4 e5 2.f4 exf4 3.Bc4 Qh4+ 4.Kf1

See tools.md for detailed breakdown on tools and their descriptions

npm run build:mcp  # Build the projects and mcpb file
npm run dev        # test and interact with chessAgine via smithery
npm run debug      # opens MCP inspector to inspect new changes made

• Discord: Join ChessAgine community

This project is licensed under the MIT License. See the LICENSE file for details.

@jalpp