Agent skills for building iOS apps on iPhone Duo, Apple's first foldable iPhone — adaptive layout, vertical bars, hinge & scenes, camera, and design review.
Claude Code skills for designing, building, testing and shipping apps on iPhone Duo and iOS 27. Layout patterns, app recipes, a fold linter and pose checks.
Apple's official Agent Skills exported from Xcode 27 — SwiftUI, UIKit modernization, Swift Testing, C bounds-safety, and security hardening for AI coding agents.