A Model Context Protocol (MCP) server for LeetCode that interacts with the LeetCode API using GraphQL queries.

• Access LeetCode problems, user information, and contest data
• Structured access through MCP tools and resources
• Comprehensive error handling
• Modular architecture

• get-daily-challenge: Retrieve the daily challenge problem
• get-problem: Get detailed information about a specific problem by its slug
• search-problems: Search for problems based on difficulty, tags, and other criteria

• get-user-profile: Retrieve profile information for a LeetCode user
• get-user-submissions: Get submission history for a user
• get-user-contest-ranking: Retrieve contest ranking information for a user

• get-contest-details: Get information about a specific contest
• get-user-contest-ranking: Retrieve a user's performance in contests

• leetcode://daily-challenge: Current daily challenge problem
• leetcode://problem/{titleSlug}: Detailed information about a specific problem
• leetcode://problems{?tags,difficulty,limit,skip}: List of problems matching query parameters

• leetcode://user/{username}/profile: User profile information
• leetcode://user/{username}/submissions{?limit}: User's submission history
• leetcode://user/{username}/contest-ranking: User's contest ranking data

What are the top 5 easy array problems on LeetCode?

This will use the search-problems tool with parameters for difficulty level "EASY" and the "array" tag.

Show me details of the "two-sum" problem on LeetCode.

This will use the get-problem tool with the titleSlug "two-sum" to retrieve comprehensive information about the problem.

What is the LeetCode profile information for user "username123"?

This will use the get-user-profile tool to retrieve statistics and profile data for the specified user.

What is today's LeetCode daily challenge?

This will use the get-daily-challenge tool to retrieve the current day's challenge problem.

npm install

npm run build

npm start

npm run dev

Connect to this server using Claude for Desktop or other MCP-compatible clients.

Add the following to your Claude for Desktop claude_desktop_config.json file:

{
  "mcpServers": {
    "leetcode": {
      "command": "node",
      "args": ["/path/to/leetcode-mcp-server/dist/index.js"]
    }
  }
}

For a fresh setup, you can use the provided script:

./clean-install.sh

This script will remove existing node_modules and dist directories, install dependencies, and build the project.

• Inspired by alfa-leetcode-api
• Implemented using the Model Context Protocol specification