MCP LeetCode

English | 中文

A feature-rich LeetCode MCP Server written in Python, supporting both leetcode.com and leetcode.cn.

Features

• 🌐 Dual Site Support - leetcode.com (Global) & leetcode.cn (China)

• 🔍 Problem Query - Search, filter, and get problem details

• 👤 User Data - Profile, submissions, progress, contest info

• 💻 Code Execution - Run and submit code

• 📝 Notes Management - CRUD operations (CN only)

• ⚡ Smart Caching - Reduce API calls with built-in cache

• 🛡️ Type Safe - Full Pydantic v2 type definitions

Related MCP server: LeetCode MCP Server

Quick Start

Installation

pip install mcp-leetcode

Configuration

cp config.example.yaml config.yaml
# Edit config.yaml with your settings

Run

mcp-leetcode

MCP Client Configuration

Claude Desktop

{
  "mcpServers": {
    "leetcode": {
      "command": "mcp-leetcode",
      "env": {
        "LEETCODE_SITE": "cn",
        "LEETCODE_SESSION": "your_session_cookie",
        "LEETCODE_CSRF": "your_csrf_token"
      }
    }
  }
}

VS Code (Copilot)

{
  "mcp": {
    "servers": {
      "leetcode": {
        "command": "mcp-leetcode",
        "env": {
          "LEETCODE_SITE": "cn"
        }
      }
    }
  }
}

Available Tools

Problems

Users

Code Execution

Notes (CN only)

Development

# Clone
git clone https://github.com/LYCGGG/mcp-leetcode.git
cd mcp-leetcode

# Install dev dependencies
pip install -e ".[dev]"

# Run tests
pytest

# Lint
ruff check src/

License

MIT