Skill Claude CodeCodex
What are you storing? ├─ User-created content (photos, notes, recordings) │ └─ Documents/ → backed up, never purged, visible in Files app │ ├─ App-generated data that CAN'T be recreated │ └─ Application Support/ → backed up, never purged, hidden from user │ ├─ Downloaded/cached content that CAN be re-downloaded │ └─…
Skill Claude CodeCodex
Complete Foundation Models API reference -- LanguageModelSession, @Generable, @Guide, Tool protocol, streaming, dynamic schemas, built-in use cases, and all WWDC 2025 code examples.
Skill Claude CodeCodex
On-device AI with Apple Foundation Models framework — sessions, @Generable structured output, streaming, tool calling, context management, and diagnostics. iOS 26+.
Skill Claude CodeCodex
GRDB direct SQLite, DatabaseQueue/Pool, raw SQL, ValueObservation, DatabaseMigrator, SQLiteData Point-Free @Table models, CTE, FTS5, CloudKit SyncEngine, database migration safety, Realm-to-SwiftData migration.
Skill Claude CodeCodex
Runtime debugging with LLDB — breakpoints, variable inspection, crash triage, hang diagnosis, async debugging, expression evaluation, and complete command reference.
Skill Claude CodeCodex
Now Playing, AVFoundation audio, haptics, photo library, MusicKit, CarPlay, and spatial audio patterns for iOS.
Skill Claude CodeCodex
Metal GPU programming and migration -- OpenGL/DirectX to Metal porting, GLSL/HLSL to MSL shader conversion, MTKView setup, render pipelines, compute shaders, triple buffering, Metal Shader Converter, and diagnostics.
Skill Claude CodeCodex
Network.framework API reference -- NetworkConnection (iOS 26+), NWConnection (iOS 12+), TLV, Coder, Listener, Browser, Wi-Fi Aware, mobility, security, performance APIs.
Skill Claude CodeCodex
Network.framework patterns, diagnostics, migration from sockets/URLSession, NWConnection (iOS 12+) and NetworkConnection (iOS 26+) with structured concurrency.
Skill Claude CodeCodex
Skill index -- lists all 40 ax- skills organized by workflow with one-line descriptions.
Skill Claude CodeCodex
Use when app feels slow, memory grows, hangs occur, frame rate issues, or profiling needed - covers Instruments workflows, memory debugging, hang diagnostics, display performance, MetricKit, xctrace CLI, and ObjC block retain cycles.
Skill Claude CodeCodex
Privacy manifests, permissions UX, ATT, localization (String Catalogs, plurals, RTL, Xcode 26 generated symbols), Transferable/drag-drop/copy-paste/ShareLink, App Intents discoverability, debug deep links, and Required Reason APIs.
Skill Claude CodeCodex
App Store submission, rejection troubleshooting, metadata requirements, privacy manifests, age ratings, export compliance, ASC navigation, MCP automation.
Skill Claude CodeCodex
Skill "ax-simulator" from Kasempiternal/axiom-v2, covering simulator management, quick patterns, simctl device lifecycle, list available devices and boot a simulator.
Skill Claude CodeCodex
StoreKit 2 in-app purchases, subscriptions, transactions.
Skill Claude CodeCodex
Use when optimizing Swift code performance - COW, ARC, generics specialization, noncopyable types, InlineArray, Span, memory layout, collection optimization, concurrency overhead.
Skill Claude CodeCodex
SwiftData @Model, @Query, relationships, ModelContainer, CRUD, predicates, CloudKit integration, schema migrations, performance patterns, Swift 6 concurrency.
Skill Claude CodeCodex
SwiftUI API reference -- navigation (NavigationStack, NavigationSplitView, Tab), layout (ViewThatFits, AnyLayout, Layout protocol, GeometryReader), containers (stacks, grids, outlines, scroll), search (.searchable, scopes, tokens), animation (Animatable, springs, keyframes, transitions, zoom), and iOS 26 Liquid Glass.
Skill Claude CodeCodex
SwiftUI views, layout, navigation, animations, gestures, architecture, state management, debugging, performance, iOS 26 Liquid Glass.
Skill Claude CodeCodex
Skill "ax-testing" from Kasempiternal/axiom-v2, covering testing, quick patterns, swift testing basics, suites and traits and parameterized tests.
Skill Claude CodeCodex
UIKit-SwiftUI bridging (UIViewRepresentable, UIHostingController, UIHostingConfiguration), Auto Layout debugging, CAAnimation diagnosis, @Observable shared state, gesture recognizer bridging.
At most 3 mods per repository are shown here — the rest are on their repository pages: