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Xcode's Agent Skills, announced at WWDC26 (post 2026-06-10), are exportable with…

Brief

Xcode's Agent Skills, announced at WWDC26 (post 2026-06-10), are exportable with xcrun agent skills export --output-dir ~/xcode-skills and bundle Apple-written assistants for code review and modernization. Key items include SwiftUI best practices and a 2027 "what's new" pack (State macro migration, reorderable containers, swipe actions, new toolbar APIs), device interaction testing, test and UIKit modernization, security auditing, and C -fbounds-safety guidance.

Source evidence

Just to quickly recap Agent Skills that Apple just shipped in Xcode for #wwdc26

You can easily export and analyze them with:
xcrun agent skills export --output-dir ~/xcode-skills

swiftui-specialist - Apple-written best practices and idiomatic patterns for writing and reviewing SwiftUI code.

swiftui-whats-new-27 - Everything new in SwiftUI for the 2027 OS releases: the State macro migration, reorderable containers, swipe actions everywhere, new toolbar APIs.

device-interaction - Lets the agent verify your app on a device or simulator: screenshots, UI hierarchy inspection, and touch interactions.

test-modernizer - Migrates XCTest suites to Swift Testing and upgrades existing tests to the latest features.

uikit-app-modernization - Modernizes UIKit apps for multi-window iOS by replacing legacy shared-state APIs.

audit-xcode-security-settings - Audits your project's security posture and progressively enables hardening: compiler warnings, static analyzer, Enhanced Security.

c-bounds-safety - Full guide to the C -fbounds-safety extension: pointer annotations, adoption in existing code, debugging bounds violations.

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