# Chess.com MCP by UnClick (npm · @unclick/chessdotcom-mcp)

Chess.com player profiles, stats, games, puzzles, and leaderboards. No API key. By UnClick.

- Trust score: 64/100 (medium)
- Change this week: +29
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `@unclick/chessdotcom-mcp`: 64/100 (this document), [markdown](https://verifymcp.io/servers/malamutemayhem-chessdotcom/unclick-chessdotcom-mcp.md), [page](https://verifymcp.io/servers/malamutemayhem-chessdotcom/unclick-chessdotcom-mcp)

## Channel facts

- Registry: `npm`
- Package: `@unclick/chessdotcom-mcp`
- Version: `0.1.0`
- 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 2026-08-03.

- **Supply Chain Security**: 86/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 71/100
  - Repository check failed: the declared repository URL redirects; it must resolve directly.
  - Cryptographically verified build provenance (signed, bound to malamutemayhem/unclick).
  - Clear OSI-approved license (Apache-2.0).
  - Actively maintained (last published 64 days ago).
  - Security-disclosure policy not yet verified: we couldn't inspect the source repository.
- **Schema Quality & AI Usability**: 43/100
  - AI-judged instruction clarity (poor).
  - Tool/resource definitions use about 118 tokens (~23/item across 5 items; 5 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **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.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add malamutemayhem-chessdotcom -- npx -y @unclick/chessdotcom-mcp
```

### Codex

```bash
codex mcp add malamutemayhem-chessdotcom -- npx -y @unclick/chessdotcom-mcp
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "malamutemayhem-chessdotcom": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "@unclick/chessdotcom-mcp"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add malamutemayhem-chessdotcom --command npx --arg -y --arg @unclick/chessdotcom-mcp
```

### Hermes

```yaml
mcp_servers:
  malamutemayhem-chessdotcom:
    command: "npx"
    args: ["-y", "@unclick/chessdotcom-mcp"]
```

### Other

```json
{
  "mcpServers": {
    "malamutemayhem-chessdotcom": {
      "command": "npx",
      "args": [
        "-y",
        "@unclick/chessdotcom-mcp"
      ]
    }
  }
}
```

## 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.

### 2026-08-03 (score 64, +4)

- [functional improvement] Stability: unverified → 0.23

### 2026-08-02 (score 60, +60)

- [security improvement] Known CVEs: unverified → partial
- [security improvement] Provenance: unverified → pass
- [security improvement] Install scripts: unverified → pass
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [security] The attested source repository moved: malamutemayhem/unclick
- [functional improvement] License: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Schema quality: unverified → poor
- [functional improvement] Tool coverage: unverified → 100
- [functional] Licence: Apache-2.0

### 2026-07-31 (score 0, −35)

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

### 2026-07-30 (score 35, +17)

- [functional improvement] Tool coverage: unverified → 100

### 2026-07-28 (score 18, −17)

- [functional regression] Tool coverage: 100 → unverified
- [functional] First check of Schema quality: unverified

### 2026-07-27 (score 35)

First indexed and scored.

## MCP tools (5)

### `chess_player` (~22 tokens)

Get a Chess.com player profile.

Input parameters:

- `username` (string, required)

### `chess_player_stats` (~22 tokens)

Get Chess.com player statistics.

Input parameters:

- `username` (string, required)

### `chess_player_games` (~39 tokens)

Get recent games for a Chess.com player.

Input parameters:

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

### `chess_puzzles_random` (~19 tokens)

Get a random chess puzzle from Chess.com.

### `chess_leaderboards` (~16 tokens)

Get Chess.com leaderboards.

## Diagnostics

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

## Score history

- 2026-08-03: 64
- 2026-08-02: 60
- 2026-08-01: 0
- 2026-07-31: 0
- 2026-07-30: 35
- 2026-07-28: 18
- 2026-07-27: 35

## Links

- npm package: https://www.npmjs.com/package/@unclick/chessdotcom-mcp
- Socket report: https://socket.dev/npm/package/@unclick/chessdotcom-mcp
- Website: https://unclick.world/
- Changelog RSS feed: https://verifymcp.io/servers/malamutemayhem-chessdotcom/unclick-chessdotcom-mcp/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/malamutemayhem-chessdotcom/unclick-chessdotcom-mcp/changelog.json
- HTML version of this page: https://verifymcp.io/servers/malamutemayhem-chessdotcom/unclick-chessdotcom-mcp