elo_change — Lumichess MCP Tool
elo_change
(elo change) is one of 8 tools on the
Lumichess
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call elo_change from your client
- Claude Code Lumichess elo_change run in your project directory
- Claude Desktop Lumichess elo_change ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor Lumichess elo_change ~/.cursor/mcp.json
- VS Code Lumichess elo_change .vscode/mcp.json
- Zed Lumichess elo_change ~/.config/zed/settings.json
- Windsurf Lumichess elo_change ~/.codeium/windsurf/mcp_config.json
- Cline Lumichess elo_change ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI Lumichess elo_change ~/.gemini/settings.json
- Grok Lumichess elo_change .mcp.json (in your project root)
- ChatGPT Lumichess elo_change Settings → Connectors → Advanced → Developer mode
- Claude.ai Lumichess elo_change Settings → Connectors → Add custom connector
- LangChain Lumichess elo_change pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http chess https://lumichess.com/api/mcpOther tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 10 November 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.