# Chess.com MCP Server (npm · chess-mcp-node)

MCP server for Chess.com player profiles, games, stats, puzzles, clubs, and tournaments

- Trust score: 62/100 (medium)
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-26

## Components

- npm · `chess-mcp-node`: 62/100 (this document), [markdown](https://verifymcp.io/servers/udarrr-chess-mcp-node/chess-mcp-node.md), [page](https://verifymcp.io/servers/udarrr-chess-mcp-node/chess-mcp-node)

## Channel facts

- Registry: `npm`
- Package: `chess-mcp-node`
- Version: `0.8.8`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-09-26.

- **Supply Chain Security**: 98/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - 31 of 97 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 32/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - License check failed: no license is declared.
  - Actively maintained (last published 3 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 59/100
  - AI-judged instruction clarity (fair).
  - Tool/resource definitions use about 844 tokens (~28/item across 30 items; 30 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 0/100
  - Stability not yet verified: not enough scan history yet (needs a 30-day window).
- **Tool Coverage**: 67/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 0% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 30 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 30 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

**Unverified: 1 category.** A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

## Install

### How do I install the Chess.com MCP Server server?

Chess.com MCP Server runs locally as an npm package, launched with npx -y chess-mcp-node. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add udarrr-chess-mcp-node -- npx -y chess-mcp-node
```

### Cursor

```json
{
  "mcpServers": {
    "udarrr-chess-mcp-node": {
      "command": "npx",
      "args": [
        "-y",
        "chess-mcp-node"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "udarrr-chess-mcp-node": {
      "command": "npx",
      "args": [
        "-y",
        "chess-mcp-node"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add udarrr-chess-mcp-node -- npx -y chess-mcp-node
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "udarrr-chess-mcp-node": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "chess-mcp-node"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add udarrr-chess-mcp-node --command npx --arg -y --arg chess-mcp-node
```

### Hermes

```yaml
mcp_servers:
  udarrr-chess-mcp-node:
    command: "npx"
    args: ["-y", "chess-mcp-node"]
```

### Netclaw

```json
{
  "McpServers": {
    "udarrr-chess-mcp-node": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "chess-mcp-node"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add udarrr-chess-mcp-node -t stdio -c npx -a -y chess-mcp-node
```

### Other

```json
{
  "mcpServers": {
    "udarrr-chess-mcp-node": {
      "command": "npx",
      "args": [
        "-y",
        "chess-mcp-node"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-09-25 (score 62, 0)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-09-23 (score 62, +26)

- [security improvement] Injection markers: unverified → pass
- [security] First check of Judged manipulation: pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] Tool coverage: unverified → 100
- [functional improvement] MCP protocol: unverified → pass
- [functional] First check of Tool coverage: 0
- [functional] First check of Schema quality: fail
- [functional] First check of Schema quality: fair
- [functional] First check of Destructive annotations: pass
- [functional] First check of Schema quality: pass

### 2026-09-22 (score 36)

First indexed and scored.

## MCP tools (30)

### `get_player_profile` (~24 tokens)

Get a player's profile from Chess.com

Input parameters:

- `username` (string, required)

### `get_titled_players` (~27 tokens)

Get a list of titled players from Chess.com

Input parameters:

- `title` (string, required)

### `get_player_stats` (~24 tokens)

Get a player's stats from Chess.com

Input parameters:

- `username` (string, required)

### `is_player_online` (~27 tokens)

Check if a player is currently online on Chess.com

Input parameters:

- `username` (string, required)

### `get_player_current_games` (~26 tokens)

Get a player's ongoing games on Chess.com

Input parameters:

- `username` (string, required)

### `get_player_games_to_move` (~28 tokens)

Get a player's daily games where they must act

Input parameters:

- `username` (string, required)

### `get_player_game_archives` (~33 tokens)

Get a list of available monthly game archives for a player on Chess.com

Input parameters:

- `username` (string, required)

### `get_player_games_by_month` (~44 tokens)

Get a player's games for a specific month from Chess.com

Input parameters:

- `month` (integer, required)
- `username` (string, required)
- `year` (integer, required)

### `get_player_live_games` (~41 tokens)

Get a player's live games for a time control from Chess.com

Input parameters:

- `base_time` (required)
- `increment` (required)
- `username` (string, required)

### `download_player_games_pgn` (~47 tokens)

Download PGN files for all games in a specific month from Chess.com

Input parameters:

- `month` (integer, required)
- `username` (string, required)
- `year` (integer, required)

### `get_player_clubs` (~28 tokens)

Get the clubs a player belongs to on Chess.com

Input parameters:

- `username` (string, required)

### `get_player_matches` (~26 tokens)

Get team matches involving a player on Chess.com

Input parameters:

- `username` (string, required)

### `get_player_tournaments` (~26 tokens)

Get tournaments involving a player on Chess.com

Input parameters:

- `username` (string, required)

### `get_club_profile` (~27 tokens)

Get information about a club on Chess.com

Input parameters:

- `url_id` (string, required)

### `get_club_members` (~27 tokens)

Get members of a club on Chess.com

Input parameters:

- `url_id` (string, required)

### `get_club_matches` (~28 tokens)

Get team matches for a club on Chess.com

Input parameters:

- `url_id` (string, required)

### `get_tournament` (~26 tokens)

Get information about a tournament on Chess.com

Input parameters:

- `url_id` (string, required)

### `get_tournament_round` (~31 tokens)

Get a tournament round on Chess.com

Input parameters:

- `round` (required)
- `url_id` (string, required)

### `get_tournament_round_group` (~38 tokens)

Get a tournament round group on Chess.com

Input parameters:

- `group` (required)
- `round` (required)
- `url_id` (string, required)

### `get_team_match` (~24 tokens)

Get a daily team match on Chess.com

Input parameters:

- `match_id` (required)

### `get_team_match_board` (~33 tokens)

Get a board from a daily team match on Chess.com

Input parameters:

- `board` (required)
- `match_id` (required)

### `get_live_team_match` (~25 tokens)

Get a live team match on Chess.com

Input parameters:

- `match_id` (required)

### `get_live_team_match_board` (~34 tokens)

Get a board from a live team match on Chess.com

Input parameters:

- `board` (required)
- `match_id` (required)

### `get_country_profile` (~24 tokens)

Get a country profile on Chess.com

Input parameters:

- `country` (string, required)

### `get_country_players` (~28 tokens)

Get recently active players associated with a country on Chess.com

Input parameters:

- `country` (string, required)

### `get_country_clubs` (~27 tokens)

Get clubs associated with a country on Chess.com

Input parameters:

- `country` (string, required)

### `get_daily_puzzle` (~19 tokens)

Get the current daily puzzle from Chess.com

### `get_random_puzzle` (~19 tokens)

Get a random daily puzzle from Chess.com

### `get_streamers` (~17 tokens)

Get the current Chess.com streamer list

### `get_leaderboards` (~16 tokens)

Get Chess.com leaderboards

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/udarrr-chess-mcp-node/chess-mcp-node#diagnostics

## Score history

- 2026-09-26: 62
- 2026-09-25: 62
- 2026-09-24: 62
- 2026-09-23: 62
- 2026-09-22: 36

## Common questions

### What is the Chess.com MCP Server server?

Chess.com MCP Server is listed in the public MCP registry as io.github.udarrr/chess-mcp-node. MCP server for Chess.com player profiles, games, stats, puzzles, clubs, and tournaments. This page covers its npm package (chess-mcp-node).

### Is the Chess.com MCP Server server safe to use?

Chess.com MCP Server scores 62 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 26 September 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the Chess.com MCP Server server expose?

Chess.com MCP Server exposes 30 tools: get_player_profile, get_titled_players, get_player_stats, is_player_online, get_player_current_games, and 25 more. Their descriptions and schemas cost roughly 844 tokens of context every time the server is loaded.

### Is the Chess.com MCP Server server still maintained?

Chess.com MCP Server is still listed as active in the MCP registry. We last reached this channel on 26 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

## Links

- npm package: https://www.npmjs.com/package/chess-mcp-node
- Socket report: https://socket.dev/npm/package/chess-mcp-node
- Repository: https://github.com/udarrr/chess-mcp-node
- Changelog RSS feed: https://verifymcp.io/servers/udarrr-chess-mcp-node/chess-mcp-node.xml
- Changelog JSON feed: https://verifymcp.io/servers/udarrr-chess-mcp-node/chess-mcp-node.json
- HTML version of this page: https://verifymcp.io/servers/udarrr-chess-mcp-node/chess-mcp-node