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100
MCP live MCP 2025-06-18 http

BetterChess

co.betterchess/betterchess

Chess MCP for Claude: engine analysis, attack maps, game review. One URL, no install.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
752ms
last probe
Tools
4
callable
Resources
0
readable
Prompts
1
available
Primary URL
https://mcp.betterchess.co/api/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
4 tools, 0 resources, 1 prompts returned.
pass 3 or more catalogue items 10/10
5 items in total; 3 or more earns these points.
pass Describes itself 10/10
85 characters; more than 30 earns these points.

Tools · 4

chess_analyse

Returns 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 a…

chess_attacks

Returns 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.…

chess_rig

Returns 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) (reso…

chess_review

Replays 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,…

Prompts · 1

coach

Live coaching through a game against a chess.com bot, in the Claude browser: watches the board, warns about the captures and checks that lose, draws the recommendation on the board, and explains each …

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://mcp.betterchess.co/api/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "betterchess": {
      "url": "https://mcp.betterchess.co/api/mcp",
      "transport": "http"
    }
  }
}