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skill-swiftui-dev

SwiftUI development skill for AI coding agents. Covers state management, view composition, performance, modern APIs, accessibility, HIG compliance, Swift concurrency, animations, and iOS 26+ Liquid Glass.

What it does

When triggered, the skill guides the agent through writing, reviewing, or improving SwiftUI code using best practices distilled from two well-known open-source skills (see Sources).

Key capabilities:

  • Review pipeline — 10-step review process with before/after code fixes
  • Partial review — load only relevant reference files to save context tokens
  • Modern API enforcement — catch deprecated patterns LLMs commonly produce
  • Accessibility first — Dynamic Type, VoiceOver, Reduce Motion compliance
  • Performance patterns — view composition, hot path optimization, lazy loading

Installation

./setup.sh

This copies the skill to ~/.agents/skills/swiftui-dev/ and creates symlinks in ~/.claude/skills/ and ~/.codex/skills/.

Skill Structure

agents/skills/swiftui-dev/
├── SKILL.md                          # Main skill definition
└── references/
    ├── state-management.md           # Property wrappers, @Observable, data flow
    ├── modern-apis.md                # Modern API replacements
    ├── view-structure.md             # View composition, extraction patterns
    ├── performance-patterns.md       # Optimization, hot paths, lazy loading
    ├── navigation.md                 # NavigationStack, sheets, alerts
    ├── accessibility.md              # Dynamic Type, VoiceOver, Reduce Motion
    ├── design.md                     # HIG compliance, tap targets, styling
    ├── swift-quality.md              # Modern Swift, concurrency, formatting
    ├── animation-basics.md           # Core animation concepts
    ├── animation-transitions.md      # Transitions, Animatable protocol
    ├── animation-advanced.md         # Phase/keyframe animations (iOS 17+)
    ├── liquid-glass.md               # iOS 26+ Liquid Glass API
    ├── image-optimization.md         # AsyncImage, downsampling, SF Symbols
    ├── layout-best-practices.md      # Relative layout, geometry gating
    ├── list-patterns.md              # ForEach identity, custom styling
    ├── scroll-patterns.md            # Scroll position, paging, snap
    └── text-formatting.md            # Number/date/currency, AttributedString

Sources

This skill merges best practices from:

Source Author Focus
AvdLee/SwiftUI-Agent-Skill Antoine van der Lee General SwiftUI development
twostraws/SwiftUI-Agent-Skill Paul Hudson SwiftUI code review

See SOURCES.md for detailed provenance per reference file and update instructions.

Tools

Tool Purpose Command
setup.sh Install skill globally ./setup.sh

License

MIT — see LICENSE.

This is a derivative work. See NOTICE for upstream attribution.