Happy Coder

Mobile and Web Client for Claude Code & Codex

Use Claude Code or Codex from anywhere with end-to-end encryption.

[📱 **iOS App**](https://apps.apple.com/us/app/happy-claude-code-client/id6748571505) • [🤖 **Android App**](https://play.google.com/store/apps/details?id=com.ex3ndr.happy) • [🌐 **Web App**](https://app.happy.engineering) • [🎥 **See a Demo**](https://youtu.be/GCS0OG9QMSE) • [📚 **Documentation**](https://happy.engineering/docs/) • [💬 **Discord**](https://discord.gg/fX9WBAhyfD)

Step 1: Download App

     

Step 2: Install CLI on your computer

npm install -g happy-coder

Run From Source (Repo Checkout)

# from repository root
yarn cli --help
yarn cli codex

Release (Maintainers)

# from repository root
yarn release

Step 3: Start using `happy` instead of `claude` or `codex`

# Instead of: claude
# Use: happy

happy

# Instead of: codex
# Use: happy codex

happy codex

How does it work?

On your computer, run `happy` instead of `claude` or `happy codex` instead of `codex` to start your AI through our wrapper. When you want to control your coding agent from your phone, it restarts the session in remote mode. To switch back to your computer, just press any key on your keyboard.

🔥 Why Happy Coder?

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📦 Project Components

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