Meet ChessAgine
Your AI-Powered Chess buddy
Plug-and-play chess training with your choice of AI provider. Convert any LLM model into chess-aware Chessbuddy, get started with ChessAgine for FREE using ChessAgine Cloud.
See ChessAgine in Action
Get a glimpse of the interactive chess analysis interface

Opening Analysis
Analyze opening positions with Agines guidance. Get explanations about opening principles, typical plans, and strategic ideas backed by the Lichess master database.

Middlegame Strategy
Dive deep into complex middlegame positions. Understand tactical patterns, strategic concepts, and key moves with Stockfish engine analysis and AI explanations.
Plug & Play AI Integration
Use your own API key, or go free with ChessAgine Cloud models or Ollama local/cloud models (no key required!)
ChessAgine Cloud
Start using ChessAgine with open source models run by ChessAgine for you to use it for 100% free.
Ollama Support
Run models locally or via Ollama cloud. No API key required. 100% free, open source.
OpenRouter Support
Connect to multiple providers via OpenRouter
Your API, Your Control
Connect OpenAI, Anthropic Claude, or Google Gemini with your own API key. Pay only for what you use
Privacy First
Your API keys are stored locally in your browser. We never see or store your credentials.
Choose Your Model
From free models on Ollama to premium models on Cloud - select the AI that fits your needs.
Powerful Chess Features
Everything you need for comprehensive chess training
Q/A Interactive Mode
Just like a chess buddy, ChessAgine can ask interactive questions to make you think about chess
Web Chess Search
Access real-time chess data like blogs, YouTube, notes from across the web for comprehensive position analysis.
Lichess Master DB
Explore opening variations with the complete Lichess master games database and opening explorer.
Stockfish 17.1 Engine
Powered by the latest Stockfish 17.1 engine for world-class position evaluation and tactical analysis.
AI-Powered Puzzles
Solve interactive puzzles with AI guidance that adapts to your skill level and explains solutions.
Free Game Reviews
Upload your games and get detailed AI analysis with explanations of key moments and improvements.
Natural Conversation
Ask questions about positions in plain language and get explanations about positions, moves, and strategies.
ChessAgine MCP
Model Context Protocol server that transforms Claude AI into a chess expert
ChessAgine MCP is a powerful integration that connects Claude AI directly to chess engines, databases, and analysis tools through Anthropic Model Context Protocol. Instead of using a separate web interface, you can chat with Claude in Claude.ai or the Claude desktop app and get the same professional chess analysis capabilities - all within your natural conversation with Claude.
Native Claude Integration
Use ChessAgine directly in Claude.ai or Claude Desktop app - no separate interface needed. Just chat naturally with Claude about chess.
Stockfish 17.1 Analysis
Access world-class engine analysis directly through Claude. Get position evaluations, best moves, and tactical insights in real-time.
Lichess Database Access
Query the Lichess master games database, fetch your recent games, and explore opening variations - all through simple conversation.
Interactive Puzzle Training
Solve Lichess puzzles with Claude as your coach. Get hints, explanations, and adaptive difficulty based on your skill level.
Comprehensive Game Reviews
Upload PGN files and receive detailed analysis with theme progression tracking, critical moments identification, and improvement suggestions.
Chess Knowledge Base
Access Silman's Imbalances, Fine's 30 Principles, endgame theory, and practical checklists to enhance your understanding.