com.lumichess/chess
Lumichess
Is the Lumichess MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-10.
Chess tools: game reviews for Chess.com and Lichess, FIDE ratings, openings, positions, puzzles.
alive probed 2026-11-15 · unchanged since 2026-11-10 · HTTP 200
- Endpoint
- https://lumichess.com/api/mcp (streamable-http)
- Host
- lumichess.com
- Protocol
- 2025-11-25
- Reports itself as
- lumichess 1.0.0
- Capabilities
- tools
- Instructions
- 326 characters
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.2k tokens in Claude Opus 5.5, exact, measured 2026-11-10. With the Claude Code prefix mcp__…__ on each tool name: 1.3k. The o200k_base estimate is 726. Counted again when the tool definitions change. Method.
- Website
- https://lumichess.com/developers/mcp
- Registry
- active, updated 2026-11-09 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| review_game | 222 | 133 | 18 % |
| opening_guide | 172 | 103 | 14 % |
| elo_change | 170 | 102 | 14 % |
| identify_opening | 157 | 94 | 13 % |
| analyze_position | 147 | 88 | 12 % |
Compare this server with others.
More servers
Servers that mention chess.
- Chess Results ai.b77/chess-results · needs auth
- BetterChess co.betterchess/betterchess · alive
- Catalogue APP24, formations d'échecs en français com.apprendre-les-echecs-24h/catalogue-echecs-fr · alive
- Bounty Agent Arena com.brelsfordsoftware/agent-bounty-jobs · alive
- Chessigma com.chessigma/chessigma · alive
- Naibul — agent-only board-game hall com.naibul/board-game-hall · alive
- PlyMove com.plymove/mcp · needs auth
- com.x402supply/chess-eval · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.