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Interactive Leetcode MCP
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Interactive Leetcode MCP

An interactive LeetCode MCP server that provides AI - guided authentication, learning guidance mode, code submission, and detailed feedback functions, supporting multi - language programming practice and user data tracking.
Education and learning toolsDeveloper tools#Programming practice#Algorithm learning#Code submission#Interactive learning.TypeScript
2.5 points
6.2K
Open Site

Overview

Installation

Content Details

Alternatives

What is Interactive LeetCode MCP?

This is a bridge connecting AI assistants with the LeetCode platform. It allows you to practice programming problems with an AI assistant (such as Claude) through conversations. The AI can help you obtain problem descriptions, provide learning hints, check code, submit solutions, and analyze results, just like having a private programming tutor.

How to use Interactive LeetCode MCP?

First, you need to complete a one - time authorization (obtain LeetCode login credentials), and then you can interact with the AI assistant through natural language. You can say 'I want to practice the Two Sum problem', and the AI will obtain the problem and create a code file; when you encounter difficulties, say 'Give me a hint'; after completing the code, say 'Submit my solution'. The whole process is as natural as having a conversation with a programming partner.

Applicable scenarios

Suitable for programming learners, developers preparing for technical interviews, and programmers who want to improve their algorithm skills. Whether you are a beginner who needs step - by - step guidance or an experienced developer who wants to practice quickly, this tool can provide personalized help. It is especially suitable for those who like to learn through conversations and interactions.

Main features

AI - guided authorization process
Claude will guide you step by step to complete the LeetCode account authorization, including opening the browser, logging in to the account, obtaining necessary cookie information, etc. The whole process is completely guided by the AI, and no manual configuration is required.
Learning guidance mode
The AI will first provide hints and guiding questions to encourage you to think about solutions on your own, rather than directly giving the answer. The complete solution will only be shown when explicitly requested, maximizing the learning effect.
Code submission and result feedback
You can directly submit code to LeetCode through the conversation and obtain real - time results, including detailed statistical information such as running time, memory usage, and passing rate.
Multi - language support
Supports multiple programming languages such as Java, Python, C++, JavaScript, TypeScript, etc. You can practice in the language you are most familiar with.
Complete problem data
Obtain all relevant information such as the complete description of the problem, constraints, example input and output, official solutions, etc., without switching between the browser and the editor.
User progress tracking
View personal profiles, submission history, competition rankings, etc., to help you track your learning progress and performance.
Advantages
Natural conversation interaction: Practice algorithm problems like chatting with a programming partner
Personalized learning: The AI provides appropriate help according to your level and needs
One - stop experience: All operations are completed in the conversation without switching between multiple tools
Progressive hints: From simple hints to complete solutions, support different learning stages
Real - time feedback: Immediately know whether the code is correct and understand the performance
Limitations
Requires a LeetCode account: You must have a valid LeetCode account
The authorization process is slightly complicated: You need to complete the cookie acquisition step when using it for the first time
Depends on the AI assistant: It needs to be used in conjunction with an AI tool that supports MCP, such as Claude
Credentials will expire: LeetCode cookies usually expire in 7 - 14 days, and you need to re - authorize
Network dependency: A stable network connection is required to access the LeetCode API

How to use

Install the MCP server
Globally install the Interactive LeetCode MCP package via npm
Configure the AI assistant
Add the MCP server to the configuration of Claude Code or Claude Desktop
Authorize the LeetCode account
Say 'Authorize my LeetCode account' in the AI assistant and follow the guidance to complete the login and cookie acquisition
Start practicing problems
Tell the AI the name or type of the problem you want to practice
Get help and submit
Request hints at any time during the practice process and submit the code for verification after completion

Usage examples

Case 1: Beginners learning algorithms
A programming novice wants to learn basic algorithms but doesn't know how to start. Through AI guidance, they gradually understand the problem requirements, get appropriate hints, and avoid losing learning opportunities by directly looking at the answers.
Case 2: Interview preparation
A developer is preparing for a technical interview and needs to efficiently practice common algorithm problems. Through the AI, they can quickly obtain problems, check ideas, and verify solutions, simulating the interview environment.
Case 3: Code optimization practice
An experienced developer has solved the problem but wants to know a better solution or improve the performance of the existing code.

Frequently Asked Questions

Do I need to pay to use this tool?
Is the authorization process safe? Will my LeetCode password be leaked?
Which programming languages are supported?
Why do I need to re - authorize?
On which AI assistants can I use it?
What's special about the learning mode?
What should I do if I encounter the 'Unsupported language' error?
How can I know if my credentials are valid?

Related resources

GitHub repository
Project source code, issue feedback, and contribution guidelines
NPM package page
Installation package information and version history
MCP registry
Official MCP server registration information
LeetCode official website
Programming practice platform. You need an account to use this tool.
Model Context Protocol documentation
Official documentation and technical specifications of the MCP protocol
Claude Code plugin marketplace
Entry to install the Claude Code plugin version

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "leetcode": {
      "command": "npx",
      "args": ["-y", "interactive-leetcode-mcp"]
    }
  }
}

{
  "mcpServers": {
    "leetcode": {
      "command": "node",
      "args": ["/path/to/this/project/interactive-leetcode-mcp/build/index.js"]
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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