macOS Development Expert

When This Skill Activates

• 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

coding-best-practices/

• swift-language.md

  - Modern Swift patterns

• modern-concurrency.md

  - async/await, actors, Sendable

• data-persistence.md

  - SwiftData, UserDefaults, Keychain

• code-organization.md

  - Project structure and modularity

• architecture-principles.md

  - Clean architecture patterns

architecture-patterns/

• solid-detailed.md

  - SOLID principles with Swift examples

• design-patterns.md

  - Common design patterns

• modular-design.md

  - Modular architecture approaches

swiftdata-architecture/

• schema-design.md

  - Model design and relationships

• query-patterns.md

  - Efficient queries and predicates

• performance.md

  - Optimization techniques

macos-tahoe-apis/

• tahoe-features.md

  - New macOS 26 capabilities

• apple-intelligence.md

  - AI/ML integration

• mlx-framework.md

  - On-device ML with MLX

• continuity.md

  - Cross-device features

• xcode16.md

  - Xcode 16 tools and features

macos-capabilities/

• sandboxing.md

  - App Sandbox and entitlements
• System integration features

appkit-swiftui-bridge/

• nsviewrepresentable.md

  - Wrapping AppKit views
• State management between frameworks

ui-review-tahoe/

• Liquid Glass design system
• HIG compliance checking
• Accessibility review

app-planner/

• New app architecture planning
• Existing app audits

How to Use

1. Identify user's need from their question
2. Read relevant module files from subdirectories
3. Apply the guidance to their specific context
4. Reference Apple documentation when needed

Example Workflow

1. Read

   swiftdata-architecture/performance.md

2. Read

   swiftdata-architecture/query-patterns.md

   if relevant
3. Apply recommendations to their code