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SwiftUI Agent Skill
par twostraws · twostraws/SwiftUI-Agent-Skill
Paul Hudson's SwiftUI patterns packaged as a Claude skill.
By Paul Hudson (Hacking with Swift), this skill teaches Claude modern SwiftUI: @Observable, NavigationStack, async views, proper state ownership. The result: SwiftUI code that actually compiles and follows Apple's current guidance.
Pourquoi l'utiliser
Fonctionnalités clés
- iOS 17+ Observation framework (no more ObservableObject in new code)
- NavigationStack patterns with type-safe destinations
- Common pitfalls list (TextField + State race conditions, sheet vs popover)
- Accessibility annotations baked into examples
- Test-friendly view structure
Démo en direct
Aperçu en pratique
swiftui-agent-skill.replay
▶ prêt
Cas d'usage
Usages concrets : SwiftUI Agent Skill
Quand l'utiliser : You want a Settings screen that's actually idiomatic for iOS 17+.
Prérequis
- Server/skill installed and authenticated — See repo README
Déroulement
-
Plan
Using the SwiftUI skill, design a Settings view with sections: Account, Notifications, About. Use @Observable for the view model.✓ Copié
→ View hierarchy + ViewModel sketch
-
Code
Write the full file with toggles, NavigationLink to subpages, and a confirmation dialog for sign-out.✓ Copié
→ Compiles on Xcode 15+
Résultat : Idiomatic SwiftUI you don't have to rewrite next year.
Pièges
- Don't mix @StateObject with @Observable — Don't mix @StateObject with @Observable — the skill enforces one or the other; follow it.
Coût et limites
Coût d'exécution
- Quota d'API
- See provider docs for rate limits
- Tokens par appel
- Varies by tool
- Monétaire
- See repo README for pricing details
- Astuce
- Cache tool results and avoid repeated identical calls.
Sécurité
Permissions, secrets, portée
Stockage des identifiants : Use environment variables; never commit secrets
Sortie de données : Tool calls go to the provider's API as documented
Dépannage
Erreurs courantes et correctifs
view doesn't update on state change
Ensure the property is on an @Observable class, not a struct. The skill's checklist covers this.
Vérifier : @Observable annotation present
preview crashes
@Observable views need a real instance in #Preview. The skill's examples show the pattern.
Vérifier : Preview compiles
Alternatives
SwiftUI Agent Skill vs autres
| Alternative | Quand l'utiliser | Compromis |
|---|
| wholiver/swiftui-design-skill | You want design direction, not code patterns | Design-focused; twostraws is code-focused |