Agent skill
ios-icon-fix
Remove alpha channel (transparency) from iOS app icons. Apple App Store rejects icons with transparency. Use this after regenerating app icons or before iOS archive/upload to fix the "Invalid large app icon - can't be transparent or contain an alpha channel" error.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/ios-icon-fix
SKILL.md
iOS Icon Fix
Remove alpha channel from iOS app icons to comply with Apple App Store requirements.
When to Use
- Before uploading to App Store Connect / TestFlight
- After regenerating iOS app icons
- When you see error: "Invalid large app icon... can't be transparent or contain an alpha channel"
Usage
Run the script:
python3 .claude/skills/ios-icon-fix/scripts/remove_alpha.py
Or specify a custom path:
python3 .claude/skills/ios-icon-fix/scripts/remove_alpha.py path/to/AppIcon.appiconset
What It Does
- Finds all PNG icons in the appiconset directory
- For each icon with alpha channel:
- Creates white background
- Composites the icon onto it
- Saves without alpha
- Verifies all icons have no transparency
Requirements
- Python 3
- Pillow:
pip install Pillow
Default Icon Location
decentpaste-app/src-tauri/gen/apple/Assets.xcassets/AppIcon.appiconset/
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