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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

ModeBest ForKey Features
Chat ModePhonesClean bubbles, quick action buttons (y, n, Enter, Esc)
Terminal ModeTablets, desktopsFull 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:
KeysPurpose
ESC, TABNavigation
^C, ^D, ^Z, ^LControl signals
↑ ↓ ← →Arrow keys
Backspace, EnterEditing
Tap the keyboard icon to show/hide. Use your device keyboard for regular text input.

CLI vs Mobile

CapabilityCLIMobile
Create sessionsYesYes
Upload workspaceYesNo
File sync-backYesNo
Connect from phoneNoYes
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