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LeetCode MCP (MCP)

@Kishan-N

Repository

Basic information

Category

Memory & Knowledge

Transports

stdio

Author

Kishan-N

About LeetCode MCP

MCP Server to generate Leetcode Notes

LeetCode MCP config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "Leetcode_Notes_MCP": {
      "command": "python",
      "args": [
        "leetcode_mcp.py"
      ]
    }
  }
}

LeetCode MCP tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is LeetCode MCP?

LeetCode MCP is a Python-based tool that fetches LeetCode problem descriptions and produces detailed explanations of multiple solution approaches. It is designed for developers preparing for coding interviews who want to understand both the intuition and complexity behind different solutions.

How to use LeetCode MCP?

Clone the repository, install dependencies with pip install -r requirements.txt, and add your OpenAI API key to config.json. Then run python leetcode_mcp.py and enter the LeetCode problem name (e.g., valid-sudoku) when prompted. The tool returns a markdown-formatted analysis.

Key features of LeetCode MCP

  • Fetches problem descriptions directly from LeetCode
  • Extracts examples and constraints from the problem page
  • Provides multiple solution approaches per problem
  • Includes intuition, complexity analysis, and implementation details
  • Generates step-by-step explanations for each solution
  • Outputs everything in a clean markdown format

Use cases of LeetCode MCP

  • Quickly grasp multiple ways to solve a specific LeetCode problem
  • Understand time and space complexity trade-offs before implementing
  • Get a structured breakdown of solutions for interview preparation
  • Learn step-by-step reasoning behind optimal and alternative algorithms

Frequently asked questions

1

What API key is required?

An OpenAI API key must be set in the `config.json` file under the key `OPENAI_API_KEY`. The tool uses it to generate solution explanations.

2

Does LeetCode MCP scrape LeetCode?

Yes, it fetches problem data from LeetCode’s public pages. Users should respect LeetCode’s terms of service and avoid excessive requests.

3

How do I run the tool after installation?

Run `python leetcode_mcp.py` from the project directory. You will be prompted to enter the name of the LeetCode problem (e.g., `two-sum`).

4

What output format does the tool produce?

The tool outputs a markdown document containing the problem title, difficulty, description, examples, constraints, and multiple solution approaches with intuition, complexity, and implementation details.

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