Comprehensive macOS development guidance including Swift 6+, SwiftUI, SwiftData, architecture patterns, AppKit bridging, and macOS 26 Tahoe APIs. Use for macOS code review, best practices, UI review, or platform-specific features.
Install
npx skills add https://github.com/rshankras/claude-code-apple-skills --skill macos-developmentSKILL.md
macOS Development Expert
Comprehensive guidance for macOS app development. This skill aggregates specialized modules for different aspects of macOS development.
When This Skill Activates
Use this skill when the user:
- Asks about macOS development best practices
- Wants code review for macOS/Swift projects
- Needs help with SwiftUI, SwiftData, or AppKit
- Is implementing macOS 26 (Tahoe) features
- Wants UI/UX review against HIG
- Needs architecture guidance for macOS apps
Available Modules
Read relevant module files based on the user's needs:
coding-best-practices/
Swift 6+ code quality and modern idioms.
swift-language.md- Modern Swift patternsmodern-concurrency.md- async/await, actors, Sendabledata-persistence.md- SwiftData, UserDefaults, Keychaincode-organization.md- Project structure and modularityarchitecture-principles.md- Clean architecture patterns
architecture-patterns/
Software design and architecture.
solid-detailed.md- SOLID principles with Swift examplesdesign-patterns.md- Common design patternsmodular-design.md- Modular architecture approaches
swiftdata-architecture/
SwiftData deep dive.
schema-design.md- Model design and relationshipsquery-patterns.md- Efficient queries and predicatesperformance.md- Optimization techniques
macos-tahoe-apis/
macOS 26 specific features.
tahoe-features.md- New macOS 26 capabilitiesapple-intelligence.md- AI/ML integrationmlx-framework.md- On-device ML with MLXcontinuity.md- Cross-device featuresxcode16.md- Xcode 16 tools and features
macos-capabilities/
Platform integration.
sandboxing.md- App Sandbox and entitlements- System integration features
appkit-swiftui-bridge/
Hybrid development.
nsviewrepresentable.md- Wrapping AppKit views- State management between frameworks
ui-review-tahoe/
UI/UX review for macOS 26.
- Liquid Glass design system
- HIG compliance checking
- Accessibility review
app-planner/
Project planning and analysis.
- New app architecture planning
- Existing app audits
How to Use
- Identify user's need from their question
- Read relevant module files from subdirectories
- Apply the guidance to their specific context
- Reference Apple documentation when needed
Example Workflow
User asks about SwiftData performance:
- Read
swiftdata-architecture/performance.md - Read
swiftdata-architecture/query-patterns.mdif relevant - Apply recommendations to their code
Related skills
vercel-react-native-skillsvercel-labs224KReact Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.firebase-crashlyticsfirebase117KComprehensive guide for Firebase Crashlytics, including provisioning and SDK usage. Use this skill when the user needs help setting up Crashlytics, adding crash reporting, or using the Crashlytics SDK in their application.xcode-project-setupfirebase117KSafely modifies Xcode projects (.pbxproj) to add Swift Packages and link files. Use this skill whenever an iOS project needs dependencies installed (e.g. Firebase, Alamofire).animate-expoemilkowalski70KBuild animations in React Native and Expo, making the decisions in the order that determines whether they feel right — should it animate, which thread it runs on, which properties, spring or timing, how the gesture hands off, how it degrades. Writes the implementation with Reanimated, Gesture Handler, Expo Router and expo-haptics. Use when animating anything in an Expo app, adding gestures, sheets, screen transitions, press feedback or haptics, or fixing motion that stutters on device. For web a