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Installation & Setup
Get Happy Coder running on your devices with step-by-step guidance
Happy Coder SOPsStandard Operating Procedures
Visual guides for consistent execution with Happy Coder - Mobile Claude Code Client
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About Happy Coder
Happy Coder is a free, open-source mobile app that lets you control Claude Code from anywhere - your phone, tablet, or web browser. It runs AI coding agents on computers YOU own with end-to-end encryption.
Key Features
| Feature | Description |
|---|---|
| Real-Time Sync | Bidirectional synchronization between desktop CLI and mobile app |
| Multi-Session | Run multiple Claude Code instances simultaneously |
| Voice Coding | AI-powered voice interface for hands-free development |
| E2E Encryption | All communications encrypted with shared secrets |
| Push Notifications | Get alerted when Claude Code needs input |
| Open Source | MIT Licensed, community-driven, self-hostable |
Architecture Overview
┌─────────────────┐ ┌─────────────────┐ ┌─────────────────┐
│ Mobile App │────▶│ Relay Server │◀────│ CLI (happy) │
│ (iOS/Android) │ │ (Encrypted) │ │ (Your Machine) │
└─────────────────┘ └─────────────────┘ └─────────────────┘
│ │ │
│ QR Code Pairing │
└──────────────────────────────────────────────┘Installation
bash
npm install -g happy-coder
happy --auth # Shows QR code for pairingDownload the mobile app:
- iOS: App Store
- Android: Google Play
- Web: app.happy.engineering