Developer Tools & Repos Agent Skills for Codex CLI

Reviews SwiftData code for model design, queries, concurrency, and migrations.

Use when creating SwiftData custom schema migrations with VersionedSchema and SchemaMigrationPlan - property type changes, relationship…

Use when SwiftData migrations crash, fail to preserve relationships, lose data, or work in simulator but fail on device - systematic…

Configures and enforces SwiftLint in Swift projects using build tool plugins, run scripts, and CI.

Diagnose SwiftPM graph overhead across dependencies, plugins, module variants, branch pins, macros, binary targets, and slow CI or local…

Use when building, fixing, or improving ANY SwiftUI UI — views, navigation, layout, animations, performance, architecture, gestures…

Use when implementing iOS 26 SwiftUI features - covers Liquid Glass design system, performance improvements, @Animatable macro, 3D spatial…

Use when implementing SwiftUI animations, understanding VectorArithmetic, using @Animatable macro, zoom transitions, UIKit/AppKit…

Use when separating logic from SwiftUI views, choosing architecture patterns, refactoring view files, or asking 'where should this code…

Use when the user mentions SwiftUI architecture review, separation of concerns, testability issues, or "logic in view" problems.

Reviews SwiftUI code for view composition, state management, performance, and accessibility.

Reference — SwiftUI stacks, grids, outlines, and scroll enhancements through iOS 26

Use when debugging SwiftUI view updates, preview crashes, or layout issues - diagnostic decision trees to identify root causes quickly and…

SwiftUI frontend design skill — anti AI-slop rules, design direction advisor, brand asset protocol, and five-dimension review. Works with Cl

Use when implementing SwiftUI gestures (tap, drag, long press, magnification, rotation), composing gestures, managing gesture state, or…

Reference — Complete SwiftUI adaptive layout API guide covering ViewThatFits, AnyLayout, Layout protocol, onGeometryChange…

Use when the user mentions SwiftUI layout review, adaptive layout issues, GeometryReader problems, or multi-device layout checking.

Implement SwiftUI navigation patterns including NavigationStack, NavigationSplitView, sheet presentation, tab-based navigation, and deep…

Reference — Comprehensive SwiftUI navigation guide covering NavigationStack (iOS 16+), NavigationSplitView (iOS 16+), NavigationPath, deep…

Use when the user mentions SwiftUI navigation issues, deep linking problems, state restoration bugs, or navigation architecture review.

Use when debugging navigation not responding, unexpected pops, deep links showing wrong screen, state lost on tab switch or background…