# Lumichess

> Chess tools: game reviews for Chess.com and Lichess, FIDE ratings, openings, positions, puzzles.

- name: com.lumichess/chess
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 89/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.lumichess%2Fchess
- tools: https://api.protogrid.dev/v1/servers/com.lumichess%2Fchess/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "chess": {
      "type": "http",
      "url": "https://lumichess.com/api/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 98
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-94% +updated-5d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 89/100 (new)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 8 of 8 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 886 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`, `stability.new_links`: tool history recorded for 4 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 8, about 886 tokens to load them all
- tool set hash: 6246c546d43853f706dfa5c5a47e2e66
- tools last changed: 2026-11-10T00:59:07.781Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.lumichess/chess.svg)](https://protogrid.dev/servers/com.lumichess/chess)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-10 `elo_change` changed (annotations)
- 2026-11-10 `daily_puzzle` changed (annotations)
- 2026-11-10 `analyze_position` changed (annotations)
- 2026-11-10 `identify_opening` changed (annotations)
- 2026-11-10 `opening_guide` changed (annotations)
- 2026-11-10 `fide_rating` changed (annotations)
- 2026-11-10 `chess_profile` changed (annotations)
- 2026-11-10 `review_game` changed (annotations)

Full history: https://api.protogrid.dev/v1/servers/com.lumichess%2Fchess/changes

## Remotes

- https://lumichess.com/api/mcp (streamable-http, auth none, reachable true, uptime30d 0.9444444)

## Packages

_none_

## Tools (8)

- `analyze_position`: Facts about a chess position from its FEN: side to move, check, checkmate or stalemate, material, all legal moves, the opening name if it is a known opening position, and links to engine analysis and the best move.
- `chess_profile`: Current ratings and win/loss record of a Chess.com or Lichess player, with links to analyse their games and openings on lumichess.com.
- `daily_puzzle`: Today's Lumichess daily puzzle: the position, rating, themes and solution, with a link to solve it on the board.
- `elo_change`: Expected score and rating change for a win, draw or loss between two Elo ratings, at a chosen K-factor.
- `fide_rating`: Look up official FIDE ratings (standard, rapid, blitz), title, federation and birth year by player name or FIDE ID.
- `identify_opening`: Name the opening (ECO code and variation) from a list of moves or a PGN, and say on which move the game left named theory.
- `opening_guide`: Guide to a chess opening: first moves, ECO codes, how often it is played and how it scores, the main lines and the ideas behind them, from Lumichess opening pages. For other names, lists matching ECO lines.
- `review_game`: Get a free move-by-move review of a Chess.com or Lichess game: accuracy, every move classified, the evaluation graph. Takes a game link or a PGN. Returns a lumichess.com review link; for a PGN also the players, result and opening.