MCP Servers

mcp-leetcode

A feature-rich LeetCode MCP server that enables problem search, user data retrieval, code execution, and notes management for both leetcode.com and leetcode.cn.

README

MCP LeetCode

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

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

Tool	Description
`get_daily_challenge`	Get today's daily challenge
`get_problem`	Get problem details by slug
`search_problems`	Search with filters (tags, difficulty, keywords)
`get_problem_solutions`	Get community solutions

Users

Tool	Description
`get_user_profile`	Get user profile information
`get_user_submissions`	Get submission history
`get_user_progress`	Get problem-solving progress
`get_contest_info`	Get contest ranking info

Code Execution

Tool	Description
`run_code`	Run code with test cases
`submit_solution`	Submit code to LeetCode

Notes (CN only)

Tool	Description
`get_notes`	Get user notes
`create_note`	Create a new note
`update_note`	Update existing note

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

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