ChessAgine MCP

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.

Preview

Features

🔧 Core Analysis Tools

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

🎮 Interactive Features

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

📊 Database Integration

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

🧠 Knowledge Base

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

Installation

Option 1: Using MCPB File (Recommended)

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

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

Option 2: Local Development Setup

Prerequisites

Node.js 20+
npm or yarn package manager

Clone and Setup

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

Configure Claude Desktop

Add to your claude_desktop_config.json:

macOS/Linux:

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

Windows:

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

Usage Examples

Basic Position Analysis

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

Visual Board Display

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

Game Review

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

Puzzle Training

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

Fetch User Games

Show me the recent games for Lichess user "Magnus_Carlsen"

Interactive Game Viewer

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

Opening Exploration

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

Engine Analysis

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

Variation Comparison

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

Theme Analysis

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

Available Tools

Tool	Description
Position Analysis
`get-theme-scores`	Analyze positional themes for strategic evaluation
`analyze-variation-themes`	Track theme evolution across move sequences
`get-theme-progression`	Monitor specific theme development
`compare-variations`	Side-by-side variation analysis
`find-critical-moments`	Identify key turning points
Engine & Evaluation
`get-stockfish-analysis`	Deep engine position analysis
`get-stockfish-move-analysis`	Post-move position evaluation
`is-legal-move`	Move validation
`boardstate-to-prompt`	Convert positions to text descriptions
Knowledge & Database
`get-chess-knowledgebase`	Access comprehensive chess knowledge
`get-lichess-master-games`	Master game database queries
`get-lichess-games`	User game statistics
`get-chessdb-analysis`	ChessDB position analysis
Visualization
`generate-chess-board-view-artifact-using-html`	Render chess board in HTML
`generate-dynamic-gameview-html`	Create interactive game viewer
Puzzle Training
`fetch-chess-puzzle`	Fetch puzzles from Lichess (filter by theme/rating)
`get-puzzle-themes`	List all available puzzle themes
Game Analysis
`fetch-lichess-games`	Fetch user's 20 most recent games
`fetch-lichess-game`	Fetch specific game by URL or ID
`generate-game-review`	Generate detailed game review with themes
`parse-pgn-into-fens`	Convert PGN to FEN position list

Available Prompts

Prompt	Description
`analyze-position`	Comprehensive positional analysis

Puzzle Training Features

ChessAgine MCP now includes access to Lichess's extensive puzzle database with:

3+ Million Puzzles: Tactical problems for all skill levels
150+ Themes: Fork, pin, skewer, mate patterns, endgames, and more
Rating Filter: Find puzzles matching your skill level (500-3000+)
Theme Combinations: Query multiple themes simultaneously
Instant Feedback: Validate solutions with engine analysis

Popular Puzzle Themes

Tactical Motifs: fork, pin, skewer, discoveredAttack, deflection
Checkmate Patterns: mateIn1, mateIn2, mateIn3, backRankMate, smotheredMate
Endgame Skills: pawnEndgame, rookEndgame, queenEndgame, promotion
Strategic Elements: zugzwang, clearance, interference, attraction

Game Review System

The new game review system provides comprehensive analysis:

Theme Progression: Track material, mobility, space, positional play, and king safety
Critical Moments: Automatically identify turning points in the game
Visual Analytics: Generate charts and graphs of theme evolution
Format Options: JSON data or human-readable text reports
Configurable Threshold: Adjust sensitivity for detecting critical moments

API Integration

The server integrates with several chess APIs:

Lichess Explorer API: Opening statistics and master games
Lichess Puzzle API: Tactical puzzle database with 3M+ positions
Lichess Game API: User game history and specific game fetching
ChessDB API: Position analysis and move databases
Stockfish API: Engine evaluation and analysis

Development

Building from Source

npm run build:mcp # Build the project npm run dev # Development mode with watch npm run clean # Clean build directory

Contributing

Fork the repository
Create a feature branch (git checkout -b feature/amazing-feature)
Commit your changes (git commit -m 'Add amazing feature')
Push to the branch (git push origin feature/amazing-feature)
Open a Pull Request

Support

Discord: Join ChessAgine community
GitHub Issues: Report bugs or request features
Documentation: Full documentation

License

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

Acknowledgments

Stockfish: The powerful chess engine powering analysis
Lichess: Open-source chess platform providing game data and puzzles
ChessDB: Comprehensive chess position database
Anthropic: Model Context Protocol specification and tools

Authors

@jalpp

This server cannot be installed

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security - not tested

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license - not tested

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quality - not tested

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Enables comprehensive chess analysis through Stockfish engine integration, positional evaluation, puzzle training, game review, and access to extensive chess databases. Provides visual board rendering, interactive game viewers, and tactical puzzle training with 3+ million problems from Lichess.

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