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LeetCode MCP Server

@jinzcdev

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基本情報

カテゴリ

その他

ライセンス

MIT

トランスポート

stdio

作者

jinzcdev

LeetCode MCP Server について

An MCP server enabling automated access to LeetCode's problems, solutions, and public data with optional authentication for user-specific features, supporting leetcode.com & leetcode.cn sites.

#algorithm#leetcode#mcp#mcp-server

LeetCode MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "leetcode-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli",
        "install",
        "@jinzcdev/leetcode-mcp-server",
        "--client",
        "claude"
      ]
    }
  }
}

LeetCode MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is LeetCode MCP Server?

The LeetCode MCP Server is a Model Context Protocol server that integrates with LeetCode APIs, providing automated access to problems, contests, solutions, and user data. It supports both LeetCode Global (leetcode.com) and LeetCode China (leetcode.cn) platforms.

How to use LeetCode MCP Server?

Install the server globally via npm install @jinzcdev/leetcode-mcp-server -g or run directly with npx -y @jinzcdev/leetcode-mcp-server. Optionally provide a LeetCode session cookie (--session <COOKIE>) for authenticated features. Configure the server as an MCP client (e.g., VS Code) by setting the command, arguments, or environment variables LEETCODE_SITE and LEETCODE_SESSION.

Key features of LeetCode MCP Server

  • Multi-site support for LeetCode Global and LeetCode China
  • Retrieve problem descriptions, constraints, examples, and editorials
  • Access user profiles, submission history, and contest rankings
  • Authenticated access to private data: notes, progress, and submissions
  • Advanced problem search by tags, difficulty, category, and keywords
  • Run and submit code with polling until completion

Use cases of LeetCode MCP Server

  • Automate daily challenge retrieval and problem analysis
  • Search and filter problems for targeted practice sessions
  • Analyze submission results (AC/WA) and track solving progress
  • Manage personal notes on problems (LeetCode China only)
  • Integrate LeetCode data into AI‑powered coding assistants

よくある質問

1

What are the prerequisites for running LeetCode MCP Server?

Node.js v20.x or above is required. A LeetCode session cookie is optional and only needed for authenticated API access.

2

Do I need a LeetCode session cookie?

No, most tools work without authentication. However, tools for private data (e.g., notes, submission history, code running/submission) require a valid session cookie.

3

Which LeetCode platforms are supported?

Both LeetCode Global (leetcode.com) and LeetCode China (leetcode.cn) are supported. Specify the site with the `--site` argument or `LEETCODE_SITE` environment variable.

4

How do I configure the server in VS Code?

Add a JSON configuration to your User Settings under `mcp.servers.leetcode`, setting the command to `npx`, args to `["-y", "@jinzcdev/leetcode-mcp-server"]`, and optionally specifying `LEETCODE_SITE` and `LEETCODE_SESSION` in the `env` or as additional args.

5

What takes priority if I specify both environment variables and command-line arguments?

Command-line arguments take precedence over environment variables when both are provided for the same setting (site or session).

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