AI Agent Skills

Use when building ANY macOS app — windows, menus, sandboxing, distribution, AppKit bridging or modernization (control events, state restoration, concentric corners), or…

Use this skill when choosing, running, or interpreting iOS performance profiling workflows, including Instruments traces, signposts, XCTest metrics, MetricKit, Xcode Org…

Apple developer articles: search Swift, SwiftUI, Xcode, iOS, and macOS community blogs, tutorials, and write-ups, not official docs.