Use this guide if you don’t want to install anything locally.
Codespaces gives you a free, browser-based VS Code instance with all dependencies pre-installed.
| Benefit | What it means for you |
|---|---|
| ✅ Zero installs | Works on Chromebook, iPad, school lab PCs… |
| ✅ Pre-built dev container | Python 3, Node.js, .NET, Java already inside |
| ✅ Free quota | Personal accounts get 120 core-hours / 60 GB-hours per month |
💡 Tip
Keep your quota healthy by stopping or deleting idle codespaces
(View ▸ Command Palette ▸ Codespaces: Stop Codespace).
- Fork this repo (top-right Fork button).
- In your fork, click Code ▸ Codespaces ▸ Create codespace on main.

✅ A browser VS Code window opens and the dev container starts building. This takes ~2 minutes the first time.
- ⚙️ Gear icon -> Command Pallete-> Codespaces : Manage user secret -> Add a new secret.
- Name: OPENAI_API_KEY
- Value: paste your key → Add secret
That’s it—our code will pick it up automatically.
cp .env.copy .env
code .env # fill in OPENAI_API_KEY=your_key_here