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iOS Simulator Skill

29 production-ready scripts that let Claude Code build, drive, and test iOS apps in the Simulator using the accessibility tree instead of pixels.

Dev & CodingIntermediate★ 1,209⑂ 84AI score 8/10Last updated: Jun 18, 2026

What it does

Turns Claude Code into a hands-on iOS QA and build assistant via 29 Python/shell scripts:

  • Build & logs: build_and_test.py (xcodebuild runs, xcresult error parsing, progressive disclosure), log_monitor.py (severity filtering, dedup, follow mode)
  • Semantic UI control: screen_mapper.py lists on-screen elements, navigator.py finds by text/type/accessibility ID and taps or types, plus gesture.py and keyboard.py for swipes, pinches, hardware buttons
  • Testing & analysis: WCAG accessibility audits, screenshot visual diffs, auto-generated test reports, full app-state snapshots, .xcstrings localization gap checks, and HangBuster for capturing/clustering main-thread hang events
  • Device state: dark mode, Dynamic Type, locale/RTL, GPS and GPX playback, permission grant/revoke, push notifications, status bar presets, clipboard
  • Simulator lifecycle: list, suggest, boot, shutdown, create, delete, erase — all with batch flags and JSON output

A core design choice: the accessibility tree costs ~10–50 tokens versus 1,600–6,300 for a screenshot, so navigation stays cheap and resilient to UI changes.

Who it's for

  • iOS/Swift developers tired of repetitive manual build-and-tap cycles
  • Teams wanting agent-driven regression checks and accessibility audits
  • CI engineers who need to spin simulators up and down programmatically

※ Requires macOS 12+, Xcode Command Line Tools, and Python 3 (IDB recommended for interaction).

Example uses

  1. Smoke-test a login flow: sim_health_check.sh → app_launcher.py --launch com.example.app → screen_mapper.py → navigator.py --find-text "Login" --tap → accessibility_audit.py for a WCAG report.
  2. One-command bug report: reproduce the issue, then app_state_capture.py --app-bundle-id com.example.app bundles screenshot, UI hierarchy, logs, and device info into a Markdown summary.
  3. Hang regression tracking: hang_watcher.py --start, interact with the app, --stop for a ~100-token summary, then --diff BASELINE CURRENT to see whether performance regressed between builds.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/conorluddy/ios-simulator-skill/HEAD/ios-simulator-skill/skills/ios-simulator-skill/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the ios-simulator-skill/skills/ios-simulator-skill folder from the GitHub repo conorluddy/ios-simulator-skill into my ~/.claude/skills/ios-simulator-skill/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/conorluddy/ios-simulator-skill.git && mkdir -p ~/.claude/skills && cp -r ios-simulator-skill/skills/ios-simulator-skill ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Check prerequisites: macOS 12+, Xcode with Command Line Tools, and Python 3. Verify with xcrun simctl list devices.
  2. Clone the repo: run git clone https://github.com/conorluddy/ios-simulator-skill.git in your terminal.
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill in: cp -r ios-simulator-skill/skills/ios-simulator-skill ~/.claude/skills/
  5. (Optional) Install extras: pip3 install Pillow for visual diffing, and brew tap facebook/fb && brew install idb-companion for interactive taps/gestures.
  6. Verify: run bash ~/.claude/skills/ios-simulator-skill/scripts/sim_health_check.sh and confirm every check passes.
  7. Restart Claude Code, then ask something like "boot an iPhone 16 simulator and launch my app" — the skill will be invoked automatically. Be cautious with simctl_delete.py --all, which permanently removes simulators.
View source on GitHub ↗License: MIT