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agent-device: a Claude Code skill by Callstack

Official

For mobile and TV app developers who want Claude to tap through apps on simulators and devices. Skip it if you only test web pages in a browser or cannot install the agent-device CLI.

The skill's text changed on Nov 7, 2026, after we last read it. Our description may be behind.

Copy install command View the source
Score
77of 100
Rank
#95of 239
Installs
20.8Kon skills.sh
Security
Mixed 3 scanners
Updated
2026
Context
~94tokens always

Install

npx skills add https://github.com/callstack/agent-device --skill agent-device

Run it in your terminal. View the source

Using the Claude app rather than Claude Code? You can add a skill there too. How to add it in the app

What does agent-device do?

agent-device is a skill that teaches Claude to drive iOS, tvOS, macOS, Android, Fire TV and Vega OS TV apps through the agent-device CLI. Claude starts at once with agent-device open <app> --foreground, which returns a snapshot of the screen with @refs for each element. It then loops: press, fill, scroll or back with --settle, read the printed diff, confirm the expected result with wait, is, get or find, and end with close. It copies refs exactly, falls back to screenshots and coordinates when the accessibility tree is sparse, and opens agent-device help <topic> only for gestures, TV remotes, scripting or remote Limrun sessions.

When should you use agent-device?

Use it when

  • You want Claude to walk through a flow in your mobile app
  • You need screenshots or UI text from an app on a simulator
  • You are testing a TV app with remote-control input

Skip it when

  • Your target is a web page, not a native app
  • You cannot install the agent-device CLI

What it needs and what it can touch

You need

  • The agent-device CLI
  • A simulator, emulator or connected device

What it can do

  • Runs shell commands (agent-device)
  • Controls apps on simulators and connected devices

From reading its instructions, not from running it.

Why it scores 77

Strongest on upkeep (100 of 100), weakest on adoption (44).

  • Adoption35 points 44
  • Upkeep20 points 100
  • Trust20 points 95
  • Quality15 points 100
  • Reader answers10 points Not enough answers yet, so this does not count

How the formula works

Is agent-device safe to install?

At least one scanner raised a medium warning. Read the results below. Scanners often miss what other scanners catch, and a skill can change after a scan. Read its source before you install it.

ScannerResultDate
Gen Agent Trust HubPassedNov 8, 2026
SocketPassedNov 9, 2026
SnykMedium riskNov 8, 2026

Details

Installs
20,798
Repository stars
5,328
Last repository change
Tokens always loaded
about 94
Tokens when used
about 413
License
MIT
Data confidence
High

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