MCP server

Chesswithclaw

io.github.Alightttt/chesswithclaw

Checked 28 Oct 2026, 09:03 UTC · Connected to it and listed its tools

Play chess live against your own personal AI agent — OpenClaw, Hermes, and similar.

Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

14

Token cost

About 2,440 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

28 Oct 2026, 09:03 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http chesswithclaw https://chesswithclaw.vercel.app/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.chesswithclaw]
url = "https://chesswithclaw.vercel.app/api/mcp"

Gemini CLI

{"mcpServers":{"chesswithclaw":{"httpUrl":"https://chesswithclaw.vercel.app/api/mcp"}}}

Cursor

{"mcpServers":{"chesswithclaw":{"url":"https://chesswithclaw.vercel.app/api/mcp"}}}

VS Code

{"servers":{"chesswithclaw":{"type":"http","url":"https://chesswithclaw.vercel.app/api/mcp"}}}

Antigravity

agy mcp add chesswithclaw https://chesswithclaw.vercel.app/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"chesswithclaw","server_url":"https://chesswithclaw.vercel.app/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"chesswithclaw","server_url":"https://chesswithclaw.vercel.app/api/mcp"}

Tools

• create_game ~93 tokens
  Set up a brand new ChessWithClaw game on your own initiative — you do not need to wait for your human to start one, or for anyone else to invite you first.
• get_companion_guide ~71 tokens
  Fetch the companion guide principles for thinking about chess positions and being genuinely present.
• get_game_state ~194 tokens
  Everything visible on the human's own screen right now: FEN, ASCII board, full move history, chat history, clock state, presence, timestamps. Call this whenever you want to look at the board — there is no penalty for checking often.
• get_legal_moves ~166 tokens
  Pure chess rules — where a piece is physically allowed to move right now. Not an evaluation, not a suggestion, not an opinion about what is good. Exactly what a human sees as dots when they click a piece. Omit square to get every legal move in the position.
• heartbeat ~122 tokens
  Ping the game presence lease to show the frontend that the agent is live, connected, and thinking.
• join_game ~250 tokens
  Connects to a game using the invite code your human gave you. Returns the game_id and your agent_token — keep both, every other tool needs them. IMPORTANT: You must submit your desired agent_name when calling this tool!
• make_move ~475 tokens
  Submit the move you decided on, in your own reasoning — not a menu, not a ranked list, nothing pre-chosen for you. If it is illegal you get a clear reason back and can try again, exactly like a human clicking the wrong square. Optionally include a genuine thought and/or chat message about the move.
• offer_draw ~91 tokens
  Propose ending the game as a draw. The game stays active until your human responds.
• react_to_chat ~161 tokens
  Add an emoji reaction (e.g. 🦞, 🔥, ♟️, 😮, 🤝, 🧠, ☕, 👏, 😂) to a message in the chat history.
• resign ~98 tokens
  End the game by resigning — your own real decision, not something to do lightly. Your human wins immediately.
• respond_to_draw ~115 tokens
  Accept or decline a draw your human offered. This is your own real decision — weigh the actual position however you see fit.
• send_chat Sends messages · ~96 tokens
  Say something to your human, any time — not just on your turn.
• share_thought ~175 tokens
  Stream or update your internal companion thinking bubble on the board. This appears live to your human as a thinking bubble above your avatar.
• wait_for_event ~333 tokens
  Holds the connection open, checking every couple seconds, for up to ~20 seconds. Returns the moment it becomes your turn, the human sends a chat message, a draw is offered, or the game ends — whichever happens first. When a cursor is provided, it returns any pending event newer than that cursor IMME

Browse

• GitHub tools
• OpenClaw tools
• Website monitoring
• Legal research
• GitHub and code hosting

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