LeetCode Alfred

Python is supported today. Additional languages will be added in future.

AI-powered LeetCode practice, study, and submissions — without leaving VS Code.

Getting Started

1. Install “LeetCode Alfred” and follow the simple setup instructions to configure OpenAI API Key.

2. Make sure you have Python installed.

3. python3 -m venv .venv

4. source .venv/bin/activate on macOS/Linux or .venv\Scripts\activate on Windows.

5. pip install pytest

6. You’re all set!

Features

AI Artifacts

Reference Solution

High‑quality reference solution using OpenAI model GPT-5 (configurable)

Editorial

Skip the hunt for explanations. Alfred generates a concise editorial that covers the problem restatement, algorithm explanations, step‑by‑step approach, time/space complexity, alternatives, edge cases, and a short dry‑run — all inside VS Code.

Cut editorial hunting from 20+ minutes to ~5 seconds

Flowchart

Mermaid flowchart to visualize the flow of the algorithm.

Snippets Notebook

Basics of programming language and certain concepts required to solve the problem as easily runnable cells in a Jupyter notebook inside VSCode.

Learn by doing — focused, runnable cells that teach only what you need.

VS Code Integration

Browse Problems

Find the right problem fast — group by difficulty, tags, status, or acceptance rate; filter favorites.

Search

Quickly find problems by title or id.

Seamless login

Login uses LeetCode’s deep‑link flow. You’ll be prompted in a browser and automatically return to VS Code with your session active — no manual cookie copying.

Local Test Cases

LeetCode test cases are integrated into your local environment. Just press F5 to run the tests and see the results in the terminal.

It's powered by pytest so it's better to visualize the test results.

One-Click Submission

Just click the "Submit" button and your solution will be submitted to LeetCode. In a few seconds, you’ll see the results.

You can also see all your recent submissions in one place.

Donations

If Alfred helped you with interview prep, consider donating:

Feedback

If you like the extension, please consider leaving a review on the Visual Studio Marketplace.