Skill Claude CodeCodex
Use when starting a new iOS or macOS app, bootstrapping Package.swift, or scaffolding a modern SwiftUI architecture with Observation, SwiftData, NavigationStack, and Swift Testing.
Skill Claude CodeCodex
Use when writing Swift or SwiftUI code, designing iOS/macOS architecture, modernizing legacy patterns, or choosing ViewModels, SwiftData, navigation, or concurrency APIs.
Skill Claude CodeCodex
Use when profiling slow SwiftUI screens, optimizing lists, reducing main-thread work, improving memory/CPU, or using Instruments Time Profiler or Swift Concurrency tools.
Skill Claude CodeCodex
Use when adding Swift tests, creating test targets, scaffolding ViewModel or service tests, or choosing Swift Testing over XCTest.