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Mobile browser and native app automation via ATL (iOS Simulator). Navigate, click, screenshot, and automate web and native app tasks on iPhone/iPad simulators.
Passed 17 of 22 test cases with the skill, and 3 of 22 without it.
14 fixed3 passed either way5 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
The instructions your model reads when the skill loads.
The automation layer between AI agents and iOS
ATL provides HTTP-based automation for iOS Simulator — both browser (mobile Safari) and native apps. Think Playwright, but for mobile.
ATL uses two separate servers for browser and native app automation:
| Server | Port | Use Case | Key Commands |
|---|---|---|---|
| Browser | 9222 | Web automation in mobile Safari | goto, markElements, clickMark, evaluate |
| Native | 9223 | iOS app automation (Settings, Contacts, any app) | openApp, snapshot, tapRef, find |
┌─────────────────────────────────────────────────────────────┐
│ BROWSER SERVER (9222) │ NATIVE SERVER (9223) │
│ (mobile Safari/WebView) │ (iOS apps via XCTest) │
│ │ │
│ markElements + clickMark │ snapshot + tapRef │
│ CSS selectors │ accessibility tree │
│ DOM evaluation │ element references │
│ tap, swipe, screenshot │ tap, swipe, screenshot │
└─────────────────────────────────────────────────────────────┘
Why two ports? Native app automation requires XCTest APIs (XCUIApplication, XCUIElement) which are only available in UI Test bundles. The native server runs as a UI Test that exposes an HTTP API.
# Browser server (starts automatically with AtlBrowser app)
xcrun simctl launch booted com.atl.browser
curl http://localhost:9222/ping # → {"status":"ok"}
# Native server (run as UI Test)
cd ~/Atl/core/AtlBrowser
xcodebuild test -workspace AtlBrowser.xcworkspace \
-scheme AtlBrowser \
test cases passed, vs 3 / 22 without
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