BetterChess

Connect it to your AI

Claude Code

claude mcp add --transport http betterchess https://mcp.betterchess.co/

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://mcp.betterchess.co/

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "betterchess": {
      "url": "https://mcp.betterchess.co/"
    }
  }
}

Tools it offers

4 tools, as the server itself reported during our check on Oct 31, 2026.

• chess_analyseReturns an engine evaluation of a chess position: the strongest candidate moves with their scores, and the position's checkable facts — side to move, whether that side is in check, undefended pieces and the pieces attack
• chess_attacksReturns the exact list of squares attacked by the piece standing on a given square in a chess position, together with that piece's type and colour. Returns an empty list when the square is unoccupied. Accepts a FEN, a PG
• chess_rigReturns the JavaScript source of the in-page coaching rig for a chess.com bot game, to be run in that page by the browser's javascript tool. Once running, the page exposes window.__coachWait(ms) (resolves with events and
• chess_reviewReplays a finished game ply by ply with the engine and returns the moves where the evaluation swung by more than a threshold (default 1.5 pawns). Each entry gives the move number, the side that moved, the move played, th

Questions