Quick Start Guide#

The original Happy CLI (Happy Coder) runs Claude Code on your computer and lets you steer it from your phone. Install the app, install the CLI, and pair them with a QR code.

Installation#

Download Mobile App#

• iPhone/iPad: App Store
• Android: Google Play
• Web App: app.happy.engineering

Install on Your Computer#

npm install -g happy

Happy requires Node.js 20 or later.

Scan the QR code with your mobile app#

happy auth login   # choose "Mobile App" to show a QR code

First Steps#

Once you've connected your mobile app to your computer:

1. Start a new conversation
2. Begin coding with Claude!