fusengine/swiftui-core
plugins/swift-apple-expert/skills/swiftui-core/SKILL.md
SwiftUI fundamentals for all Apple platforms. Use when building views, navigation, data persistence, or state management with SwiftUI across iOS, macOS, iPadOS, watchOS, visionOS.
$ install --global
skillsauthnpx skillsauth add fusengine/agents swiftui-coreInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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95%
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Last scanned: Apr 4, 2026, 11:46 PM10.7s7 files scanned
SKILL.md
- name:
- swiftui-core
- description:
- SwiftUI fundamentals for all Apple platforms. Use when building views, navigation, data persistence, or state management with SwiftUI across iOS, macOS, iPadOS, watchOS, visionOS.
- swiftui:
- 6
- ios:
- 26
- user-invocable:
- false
- references:
- references/views-modifiers.md, references/navigation.md, references/data-swiftdata.md, references/state-management.md, references/liquid-glass.md, references/app-intents.md
- related-skills:
- swift-core, solid-swift, ios, macos, ipados, watchos, visionos, tvos
SwiftUI Core
SwiftUI fundamentals shared across all Apple platforms.
Agent Workflow (MANDATORY)
Before ANY implementation, use TeamCreate to spawn 3 agents:
- fuse-ai-pilot:explore-codebase - Analyze existing SwiftUI patterns
- fuse-ai-pilot:research-expert - Verify latest SwiftUI docs via Context7/Exa
- mcp__apple-docs__search_apple_docs - Check SwiftUI view patterns
After implementation, run fuse-ai-pilot:sniper for validation.
Overview
When to Use
- Building SwiftUI views and components
- Implementing navigation (NavigationStack, SplitView)
- Data persistence with SwiftData
- State management (@State, @Observable)
- Custom view modifiers and layouts
Why SwiftUI Core
| Feature | Benefit | |---------|---------| | Declarative UI | Less code, automatic updates | | Cross-platform | Same code for iOS/macOS/watchOS/visionOS | | @Observable | Simple reactive state | | SwiftData | Modern persistence with minimal code |
Key Concepts
Views & Modifiers
Composable UI building blocks. Extract subviews at 30+ lines.
Navigation
NavigationStack for stack-based, NavigationSplitView for multi-column.
SwiftData
Modern persistence with @Model. Replaces Core Data for most use cases.
State Management
@State for local, @Observable for shared, @Environment for injection.
Reference Guide
| Need | Reference | |------|-----------| | Views, modifiers, layouts | views-modifiers.md | | NavigationStack, deep linking | navigation.md | | SwiftData, @Query, CloudKit | data-swiftdata.md | | @State, @Observable, Environment | state-management.md | | Liquid Glass all platforms | liquid-glass.md | | Siri, Shortcuts, App Intents | app-intents.md |
Best Practices
- Small views - Extract at 30+ lines
- Composition - Use ViewBuilder and modifiers
- Preview-driven - Always include #Preview
- Semantic colors - Use .primary, .secondary
- Accessibility - Add labels to icons
- Platform adaptation - Check sizeClass for responsive layouts
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