AI-powered LeetCode coaching directly inside VS Code.

LeetCoach helps you improve your problem-solving skills by giving feedback on your code while you practice coding problems. Instead of immediately showing solutions, it focuses on hints, mistakes, edge cases, and suggestions to help you learn.

Features

AI Code Review

Get feedback on your LeetCode solutions directly inside VS Code.

LeetCoach can help identify:

Logical mistakes
Missing edge cases
Inefficient approaches
Code quality issues
Possible improvements

💡 Hint-Based Learning

Instead of revealing the answer immediately, LeetCoach guides you toward the solution.

Learn by understanding:

Why your approach fails
What concept you are missing
How to improve your reasoning

⚡ VS Code Integration

Use LeetCoach without leaving your editor.

Available commands:

LeetCoach: Check My Code
LeetCoach: Set Problem
LeetCoach: Select Model

🧠 Multiple AI Models

Choose the model that powers your feedback.

Supported models:

Llama 3.1 8B
Gemma 4

You can configure your preferred model in VS Code settings.

Installation

Open VS Code
Go to Extensions (Ctrl + Shift + X)
Search for LeetCoach
Click Install

Usage

Open a LeetCode problem
Write your solution
Open the LeetCoach sidebar
Set your problem via Leetcode URL
Run Check My Code via (CTRL + Shift + P)
Review the AI feedback

Configuration

LeetCoach settings can be changed through VS Code settings.

Available settings (optional):

API Key

leetcoach.apiKey

Your LLM provider API key.

Model

leetcoach.model

Choose which AI model provides feedback.

Backend

leetcoach.backend

Options:

proxy - Use the LeetCoach shared backend
direct - Use your own API key directly

Proxy URL

leetcoach.proxyUrl

Configure a custom LeetCoach proxy endpoint.

Privacy

LeetCoach only sends code and problem information required to generate feedback.

Your API keys are stored locally in VS Code settings and are not shared.

Requirements

Visual Studio Code 1.125.0 or newer
An LLM API key (optional) if using direct mode

Development

Clone the repository:

git clone https://github.com/jakguyboribye/LeetCoach.git
cd LeetCoach

Install dependencies:

npm install

Compile the extension:

npm run compile

Run in VS Code:

code .

Press F5 to launch the Extension Development Host.

Contributing

Suggestions and improvements are welcome.

Please open an issue or submit a pull request.

License

MIT License

LeetCoach