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LeetCode MCP Server

@jinzcdev

代码仓库主页

基本信息

分类

其他

许可证

MIT

传输方式

stdio

作者

jinzcdev

关于 LeetCode MCP Server

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 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

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

LeetCode MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

点击上方按钮,在临时沙箱中运行此服务器并实时获取工具列表。

概览

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

常见问题

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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