leetcode-mcp-server

Overview

The LeetCode MCP Server is a comprehensive tool that bridges AI assistants with LeetCode's extensive programming problem database. It enables both read-only access to public problem data and authenticated access to user-specific features like submission history and personal notes. The server supports both LeetCode Global (leetcode.com) and China (leetcode.cn) platforms, making it versatile for international users.

Try asking AI

After installing, here are 6 things you can ask your AI assistant:

• get_daily_challenge

  Retrieves today's LeetCode Daily Challenge problem

  Try:Get today's LeetCode daily challengeTry:What is the problem for today's challenge?
• get_problem

  Retrieves details for a specific LeetCode problem

  Try:Get details for the problem 'two-sum'Try:Show me problem information for 'add-two-numbers'
• search_problems

  Searches for LeetCode problems with multiple filter criteria

  Try:Find all medium difficulty problems tagged as 'array'Try:Search for problems about binary trees
• get_user_profile

  Retrieves profile information for a LeetCode user

  Try:Get the profile for user 'john_doe'Try:What is the profile of 'leetcode_user123'?
• get_recent_ac_submissions

  Retrieves a user's recent accepted submissions

  Try:Show me recent accepted submissions for 'my_username'Try:What problems has 'user123' solved recently?
• run_code

  Runs code for a problem and waits until finished

  Try:Run this solution for 'two-sum': int[] twoSum(int[] nums, int target) {...}Try:Test my code for the problem 'add-two-numbers'
• submit_solution

  Submits code for a problem and waits until finished

  Try:Submit my solution for 'valid-parentheses'Try:Submit code for 'maximum-subarray' problem
• list_problem_solutions

  Retrieves a list of community solutions for a specific problem

  Try:Show me community solutions for 'two-sum'Try:List popular solutions for 'merge-two-sorted-lists'
• get_note

  Retrieves notes for a specific LeetCode problem

  Try:Get my notes for problem 'two-sum'Try:Show notes for question with ID 1
• create_note

  Creates a new note for a specific LeetCode problem

  Try:Create a note for 'two-sum' with content 'Remember to use hash map'Try:Add a note about solving 'valid-parentheses' with stack approach
• get_problem_submission_report

  Provides detailed submission analysis for a specific problem

  Try:Get submission report for submission ID 123456Try:Show me details about my submission for 'two-sum'
• get_problem_progress

  Retrieves current user's problem-solving progress

  Try:Show me my problem-solving progressTry:Which medium problems have I solved?

Comparable tools

Installation

npx -y @smithery/cli install @jinzcdev/leetcode-mcp-server --client claude

npm install @jinzcdev/leetcode-mcp-server -g

{
  "mcp": {
    "servers": {
      "leetcode": {
        "type": "stdio",
        "command": "npx",
        "args": ["-y", "@jinzcdev/leetcode-mcp-server"],
        "env": {
          "LEETCODE_SITE": "global",
          "LEETCODE_SESSION": "<YOUR_LEETCODE_SESSION_COOKIE>"
        }
      }
    }
  }
}

FAQ

Do I need a LeetCode account to use this server?

No, you can access basic problem data without authentication. However, features like submission history, personal notes, and running code require authentication with a LeetCode session cookie.

Can I use this server with both leetcode.com and leetcode.cn?

Yes, the server supports both LeetCode Global (leetcode.com) and LeetCode China (leetcode.cn) platforms. You can specify the site using the --site parameter or LEETCODE_SITE environment variable.

Is the source code available?

Yes, this is an open-source project. You can clone the repository and run it locally after building the project with npm install && npm run build.

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