Overview
The Catty web app at app.catty.dev brings Claude Code to your phone. Start sessions from your laptop with the CLI, then monitor and interact with them from anywhere.
Why Mobile?
Work From Anywhere
Check on sessions from your phone while away from your desk
Run Many in Parallel
Start multiple sessions and switch between them from one dashboard
Quick Interactions
Answer yes/no prompts with one tap using quick action buttons
Monitor Long Tasks
Let Claude work while you're out - check progress from your phone
Two View Modes
| Mode | Best For | Key Features |
|---|---|---|
| Chat Mode | Phones | Clean bubbles, quick action buttons (y, n, Enter, Esc) |
| Terminal Mode | Tablets, desktops | Full xterm.js with colors, scrollback, all shortcuts |
Tap the toggle in the header to switch. Both connect to the same session.
Virtual Keyboard
On mobile, a virtual keyboard provides terminal-specific keys:
| Keys | Purpose |
|---|---|
| ESC, TAB | Navigation |
| ^C, ^D, ^Z, ^L | Control signals |
| ↑ ↓ ← → | Arrow keys |
| Backspace, Enter | Editing |
Tap the keyboard icon to show/hide. Use your device keyboard for regular text input.
CLI vs Mobile
| Capability | CLI | Mobile |
|---|---|---|
| Create sessions | Yes | Yes |
| Upload workspace | Yes | No |
| File sync-back | Yes | No |
| Connect from phone | No | Yes |
Typical workflow: Create sessions with catty new from the CLI to upload your code, then monitor and interact from your phone.
Get Started
Getting Started
Connect to your first session in 30 seconds