iOS and macOS Development Expert

Overview

Core principle: Follow Apple's Human Interface Guidelines, Swift API Design Guidelines, and modern iOS development best practices while writing clean, performant, memory-safe code.

When to Use

Automatically activates when:

• Working with .swift source files
• Opening or modifying Xcode projects (.xcodeproj, .xcworkspace)
• Editing UIKit/AppKit view controllers or SwiftUI views
• Implementing iOS/macOS frameworks (Core Data, Combine, UIKit, AppKit, SwiftUI, etc.)
• Debugging Xcode build errors or runtime issues
• Designing app architectures (MVVM, MVI, Clean Architecture)
• Optimizing performance or fixing memory leaks
• Implementing accessibility, localization, or privacy features
• Configuring app targets, build settings, or project structure