pcc-opus
Parallel Claude Coordinator (Opus Edition) - Maximum quality exploration with Opus scouts AND Opus implementers. Use for critical, complex tasks where exploration quality is paramount.
systemcc
Intelligent workflow router with Lyra AI optimization, build config detection, and triple code review. Auto-analyzes complexity, risk, and scope to execute the optimal workflow automatically.
pcc
Parallel Claude Coordinator - Create implementation plans with Sonnet scouts for exploration and Opus agents for implementation. Use for complex multi-file tasks requiring parallel coordination.
ax-storekit
StoreKit 2 in-app purchases, subscriptions, transactions.
ax-coreml
On-device ML with CoreML -- model conversion (PyTorch to CoreML), compression (palettization/quantization/pruning), stateful KV-cache for LLMs, multi-function models, MLTensor, async prediction, and diagnostics
ax-cloud-storage
CloudKit sync, CKSyncEngine, iCloud Drive, NSFileCoordinator, conflict resolution, CKRecord, CKShare, subscriptions, NSUbiquitousKeyValueStore, offline-first patterns
ax-privacy
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
ax-app-intents
App Intents for Siri/Shortcuts, parameterized intents, discovery.
ax-foundation-models
On-device AI with Apple Foundation Models framework — sessions, @Generable structured output, streaming, tool calling, context management, and diagnostics. iOS 26+
ax-media
Now Playing, AVFoundation audio, haptics, photo library, MusicKit, CarPlay, and spatial audio patterns for iOS
ax-swiftdata
SwiftData @Model, @Query, relationships, ModelContainer, CRUD, predicates, CloudKit integration, schema migrations, performance patterns, Swift 6 concurrency
ax-simulator
iOS Simulator management with simctl and AXe CLI -- device lifecycle, UI automation, accessibility-based tapping, screenshots, video recording, text input, push notifications
ax-concurrency
Swift 6 concurrency, async/await, @MainActor, actors, Sendable, @concurrent, assumeIsolated, Mutex, Atomic, ownership modifiers, progressive concurrency adoption
ax-networking-ref
Network.framework API reference -- NetworkConnection (iOS 26+), NWConnection (iOS 12+), TLV, Coder, Listener, Browser, Wi-Fi Aware, mobility, security, performance APIs
ax-foundation-models-ref
Complete Foundation Models API reference -- LanguageModelSession, @Generable, @Guide, Tool protocol, streaming, dynamic schemas, built-in use cases, and all WWDC 2025 code examples
ax-widgets
WidgetKit timeline providers, Live Activities, Dynamic Island, Control Center controls, interactive widgets, App Groups data sharing.
ax-uikit
UIKit-SwiftUI bridging (UIViewRepresentable, UIHostingController, UIHostingConfiguration), Auto Layout debugging, CAAnimation diagnosis, @Observable shared state, gesture recognizer bridging
ax-build-ref
Build settings reference — xcodebuild flags, build settings, SPM configuration, CocoaPods/Carthage commands, xcconfig syntax, scheme configuration
ax-testing
Swift Testing (@Test,
ax-metal
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
ax-grdb
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
ax-design
Apple Human Interface Guidelines and SF Symbols -- design decisions, rendering modes, symbol effects/animations, Draw animations (iOS 26), accessibility compliance, and defending HIG decisions in design reviews
ax-apple-docs
Apple documentation research, Xcode MCP (mcpbridge) setup/tools/reference, App Store Connect MCP, WWDC transcript extraction, sosumi.ai docs, bundled compiler diagnostics
ax-swiftui
SwiftUI views, layout, navigation, animations, gestures, architecture, state management, debugging, performance, iOS 26 Liquid Glass.
ax-shipping
App Store submission, rejection troubleshooting, metadata requirements, privacy manifests, age ratings, export compliance, ASC navigation, MCP automation
ax-energy-ref
Energy optimization API reference - timer/network/location/background/display APIs, Power Profiler recording, iOS 26 BGContinuedProcessingTask, MetricKit energy monitoring, push notification setup
ax-onboard
Skill index -- lists all 40 ax-* skills organized by workflow with one-line descriptions
ax-design-ref
Design API reference -- HIG color/background/material system, typography (San Francisco, text styles, Dynamic Type, tracking, leading), SF Symbols complete API (rendering modes, effects, UIKit equivalents, platform matrix), Liquid Glass adoption guide (controls, navigation, windows, icons, migration), accessibility compliance
ax-performance
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
ax-energy
Use when app drains battery, device gets hot, users report energy issues, or auditing power consumption - Power Profiler diagnosis, subsystem identification (CPU/GPU/Network/Location/Display), background execution patterns
ax-3d-games
2D/3D game and spatial content development -- SpriteKit (2D games), SceneKit (3D legacy, deprecated iOS 26), RealityKit (modern 3D/AR/ECS), physics, ECS architecture, SpriteView/RealityView SwiftUI integration, and diagnostics
ax-background-tasks
BGTaskScheduler, background URL sessions, silent push, beginBackgroundTask, and BGContinuedProcessingTask patterns for iOS
ax-swiftui-ref
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
ax-camera
Camera capture with AVFoundation -- AVCaptureSession, SwiftUI preview, RotationCoordinator (iOS 17+), responsive capture (zero-shutter-lag, deferred processing), session interruptions, camera switching, video recording, and diagnostics
ax-build
Build failures, dependency conflicts, test crashes, simulator issues, environment diagnostics, build performance, TestFlight crash triage
ax-vision
Computer vision with Vision framework -- subject segmentation, hand/body pose, person detection, text recognition (OCR), barcode/QR detection, document scanning, DataScannerViewController, and diagnostics
ax-lldb
Runtime debugging with LLDB — breakpoints, variable inspection, crash triage, hang diagnosis, async debugging, expression evaluation, and complete command reference
ax-core-location
Core Location authorization, monitoring, geofencing, background location, geocoding, and Core Spotlight indexing patterns for iOS
ax-swift-perf
Use when optimizing Swift code performance - COW, ARC, generics specialization, noncopyable types, InlineArray, Span, memory layout, collection optimization, concurrency overhead
ax-file-storage
iOS file system directories, FileProtectionType, backup exclusion, storage capacity, Codable encoding/decoding, purge behavior, file storage decisions
ax-networking
Network.framework patterns, diagnostics, migration from sockets/URLSession, NWConnection (iOS 12+) and NetworkConnection (iOS 26+) with structured concurrency
ax-concurrency-ref
Instruments profiling for async/await, actor contention analysis, thread pool exhaustion detection, Swift Concurrency template workflows, priority inversion diagnosis
ax-core-data
Core Data stack setup, NSPersistentContainer, NSManagedObjectContext, thread-confinement, CloudKit integration, migration, diagnostics, SwiftData bridging