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charleswiltgen

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• 248 skills
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• 1 day ago last updated

1. ▌
   Axiom Metal Migration Ref · charleswiltgen

   Use when converting shaders or looking up API equivalents - GLSL to MSL, HLSL to MSL, GL/DirectX to Metal mappings, MTKView setup code
   3 installs
2. ▌
   Axiom Now Playing Carplay · charleswiltgen

   CarPlay Now Playing integration patterns. Use when implementing CarPlay audio controls, CPNowPlayingTemplate customization, or debugging CarPlay-specific issues.
   3 installs
3. ▌
   Axiom Realm Migration Ref · charleswiltgen

   Use when migrating from Realm to SwiftData - comprehensive migration guide covering pattern equivalents, threading model conversion, schema migration strategies, CloudKit sync transition, and real-world scenarios
   3 installs
4. ▌
   Axiom Swiftdata Migration · charleswiltgen

   Use when creating SwiftData custom schema migrations with VersionedSchema and SchemaMigrationPlan - property type changes, relationship preservation (one-to-many, many-to-many), the willMigrate/didMigrate limitation, two-stage migration patterns, and testing migrations on real devices
   3 installs
5. ▌
   Axiom Swiftui Performance · charleswiltgen

   Use when UI is slow, scrolling lags, animations stutter, or when asking 'why is my SwiftUI view slow', 'how do I optimize List performance', 'my app drops frames', 'view body is called too often', 'List is laggy' - SwiftUI performance optimization with Instruments 26 and WWDC 2025 patterns
   3 installs
6. ▌
   Axiom App Store Submission · charleswiltgen

   Use when preparing ANY app for App Store submission - enforces pre-flight checklist, rejection prevention, privacy compliance, and metadata completeness to prevent common App Store rejections
   3 installs
7. ▌
   Axiom Metal Migration Diag · charleswiltgen

   Use when ANY Metal porting issue occurs - black screen, rendering artifacts, shader errors, wrong colors, performance regressions, GPU crashes
   3 installs
8. ▌
   Axiom Networking Migration · charleswiltgen

   Network framework migration guides. Use when migrating from BSD sockets to NWConnection, NWConnection to NetworkConnection (iOS 26+), or URLSession StreamTask to NetworkConnection.
   3 installs
9. ▌
   Axiom Now Playing Musickit · charleswiltgen

   MusicKit Now Playing integration patterns. Use when playing Apple Music content with ApplicationMusicPlayer and understanding automatic vs manual Now Playing info updates.
   3 installs
10. ▌
    Axiom Sqlitedata Migration · charleswiltgen

    Use when migrating from SwiftData to SQLiteData — decision guide, pattern equivalents, code examples, CloudKit sharing (SwiftData can't), performance benchmarks, gradual migration strategy
    3 installs
11. ▌
    Axiom Swiftui Architecture · charleswiltgen

    Use when separating logic from SwiftUI views, choosing architecture patterns, refactoring view files, or asking 'where should this code go', 'how do I organize my SwiftUI app', 'MVVM vs TCA vs vanilla SwiftUI', 'how do I make SwiftUI testable' - comprehensive architecture patterns with refactoring workflows for iOS 26+
    3 installs
12. ▌
    Axiom Accessibility Diag · charleswiltgen

    Use when fixing VoiceOver issues, Dynamic Type violations, color contrast failures, touch target problems, keyboard navigation gaps, or Reduce Motion support - comprehensive accessibility diagnostics with WCAG compliance, Accessibility Inspector workflows, and App Store Review preparation for iOS/macOS
    3 installs
13. ▌
    Axiom Camera Capture Ref · charleswiltgen

    Reference — AVCaptureSession, AVCapturePhotoSettings, AVCapturePhotoOutput, RotationCoordinator, photoQualityPrioritization, deferred processing, AVCaptureMovieFileOutput, session presets, capture device APIs
    3 installs
14. ▌
    Axiom Core Location Diag · charleswiltgen

    Use for Core Location troubleshooting - no location updates, background location broken, authorization denied, geofence not triggering
    3 installs
15. ▌
    Axiom Core Spotlight Ref · charleswiltgen

    Use when indexing app content for Spotlight search, using NSUserActivity for prediction/handoff, or choosing between CSSearchableItem and IndexedEntity - covers Core Spotlight framework and NSUserActivity integration for iOS 9+
    3 installs
16. ▌
    Axiom Database Migration · charleswiltgen

    Use when adding/modifying database columns, encountering "FOREIGN KEY constraint failed", "no such column", "cannot add NOT NULL column" errors, or creating schema migrations for SQLite/GRDB/SQLiteData - prevents data loss with safe migration patterns and testing workflows for iOS/macOS apps
    3 installs
17. ▌
    Axiom Extensions Widgets · charleswiltgen

    Use when implementing widgets, Live Activities, or Control Center controls - enforces correct patterns for timeline management, data sharing, and extension lifecycle to prevent common crashes and memory issues
    3 installs
18. ▌
    Axiom Push Notifications · charleswiltgen

    Use when implementing remote or local push notifications, requesting notification permission, managing APNs device tokens, adding notification actions/categories, building service extensions, or debugging push delivery failures. Covers APNs, FCM, Live Activity push transport, broadcast push, communication notifications, Focus interaction.
    3 installs
19. ▌
    Axiom Swiftui Layout Ref · charleswiltgen

    Reference — Complete SwiftUI adaptive layout API guide covering ViewThatFits, AnyLayout, Layout protocol, onGeometryChange, GeometryReader, size classes, and iOS 26 window APIs
    3 installs
20. ▌
    Axiom Swiftui Search Ref · charleswiltgen

    Use when implementing SwiftUI search — .searchable, isSearching, search suggestions, scopes, tokens, programmatic search control (iOS 15-18). For iOS 26 search refinements (bottom-aligned, minimized toolbar, search tab role), see swiftui-26-ref.
    3 installs
21. ▌
    Axiom Timer Patterns Ref · charleswiltgen

    Timer, DispatchSourceTimer, Combine Timer.publish, AsyncTimerSequence, Task.sleep API reference with lifecycle diagrams, RunLoop modes, and platform availability
    3 installs
22. ▌
    Axiom Avfoundation Ref · charleswiltgen

    Reference — AVFoundation audio APIs, AVAudioSession categories/modes, AVAudioEngine pipelines, bit-perfect DAC output, iOS 26+ spatial audio capture, ASAF/APAC, Audio Mix with Cinematic framework
    3 installs
23. ▌
    Axiom Code Signing Ref · charleswiltgen

    Use when needing certificate CLI commands, provisioning profile inspection, entitlement extraction, Keychain management scripts, codesign verification, fastlane match setup, Xcode build settings for signing, or APNs .p8 vs .p12 decision. Covers complete code signing API and CLI surface.
    3 installs
24. ▌
    Axiom Combine Patterns · charleswiltgen

    Use when working with Combine publishers, AnyCancellable lifecycle, @Published properties, or bridging Combine with async/await. Covers reactive patterns, operator selection, memory management, and migration strategy.
    3 installs
25. ▌
    Axiom Hang Diagnostics · charleswiltgen

    Use when app freezes, UI unresponsive, main thread blocked, watchdog termination, or diagnosing hang reports from Xcode Organizer or MetricKit
    2 installs
26. ▌
    Axiom Icloud Drive Ref · charleswiltgen

    Use when implementing 'iCloud Drive', 'ubiquitous container', 'file sync', 'NSFileCoordinator', 'NSFilePresenter', 'isUbiquitousItem', 'NSUbiquitousKeyValueStore', 'ubiquitous file sync' - comprehensive file-based iCloud sync reference
    3 installs
27. ▌
    Axiom In App Purchases · charleswiltgen

    Use when implementing in-app purchases, StoreKit 2, subscriptions, or transaction handling - testing-first workflow with .storekit configuration, StoreManager architecture, transaction verification, subscription management, and restore purchases for consumables, non-consumables, and auto-renewable subscriptions
    3 installs
28. ▌
    Axiom Liquid Glass Ref · charleswiltgen

    Use when planning comprehensive Liquid Glass adoption across an app, auditing existing interfaces for Liquid Glass compatibility, implementing app icon updates, or understanding platform-specific Liquid Glass behavior - comprehensive reference guide covering all aspects of Liquid Glass adoption from WWDC 2025
    3 installs
29. ▌
    Axiom Memory Debugging · charleswiltgen

    Use when you see memory warnings, 'retain cycle', app crashes from memory pressure, or when asking 'why is my app using so much memory', 'how do I find memory leaks', 'my deinit is never called', 'Instruments shows memory growth', 'app crashes after 10 minutes' - systematic memory leak detection and fixes for iOS/macOS
    3 installs
30. ▌
    Axiom Swiftui Gestures · charleswiltgen

    Use when implementing SwiftUI gestures (tap, drag, long press, magnification, rotation), composing gestures, managing gesture state, or debugging gesture conflicts - comprehensive patterns for gesture recognition, composition, accessibility, and cross-platform support
    3 installs
31. ▌
    Axiom Swiftui Nav Diag · charleswiltgen

    Use when debugging navigation not responding, unexpected pops, deep links showing wrong screen, state lost on tab switch or background, crashes in navigationDestination, or any SwiftUI navigation failure - systematic diagnostics with production crisis defense
    3 installs
32. ▌
    Axiom Transferable Ref · charleswiltgen

    Use when implementing drag and drop, copy/paste, ShareLink, or ANY content sharing between apps or views - covers Transferable protocol, TransferRepresentation types, UTType declarations, SwiftUI surfaces, and NSItemProvider bridging
    3 installs
33. ▌
    Axiom App Shortcuts Ref · charleswiltgen

    Use when implementing App Shortcuts for instant Siri/Spotlight availability, configuring AppShortcutsProvider, adding suggested phrases, or debugging shortcuts not appearing - covers complete App Shortcuts API for iOS 16+
    3 installs
34. ▌
    Axiom Build Performance · charleswiltgen

    Use when build times are slow, investigating build performance, analyzing Build Timeline, identifying type checking bottlenecks, enabling compilation caching, or optimizing incremental builds - comprehensive build optimization workflows including Xcode 26 compilation caching
    3 installs
35. ▌
    Axiom Code Signing Diag · charleswiltgen

    Use when code signing fails during build, archive, or upload — certificate not found, provisioning profile mismatch, errSecInternalComponent in CI, ITMS-90035 invalid signature, ambiguous identity, entitlement mismatch. Covers certificate, profile, keychain, entitlement, and archive signing diagnostics.
    3 installs
36. ▌
    Axiom Core Location Ref · charleswiltgen

    Use for Core Location API reference - CLLocationUpdate, CLMonitor, CLServiceSession, authorization, background location, geofencing
    3 installs
37. ▌
    Axiom Foundation Models · charleswiltgen

    Use when implementing on-device AI with Apple's Foundation Models framework — prevents context overflow, blocking UI, wrong model use cases, and manual JSON parsing when @Generable should be used. iOS 26+, macOS 26+, iPadOS 26+, axiom-visionOS 26+
    2 installs
38. ▌
    Axiom IOS Accessibility · charleswiltgen

    Use when fixing or auditing ANY accessibility issue - VoiceOver, Dynamic Type, color contrast, touch targets, WCAG compliance, App Store accessibility review.
    3 installs
39. ▌
    Axiom Networking Legacy · charleswiltgen

    This skill should be used when working with NWConnection patterns for iOS 12-25, supporting apps that can't use async/await yet, or maintaining backward compatibility with completion handler networking.
    3 installs
40. ▌
    Axiom Photo Library Ref · charleswiltgen

    Reference — PHPickerViewController, PHPickerConfiguration, PhotosPicker, PhotosPickerItem, Transferable, PHPhotoLibrary, PHAsset, PHAssetCreationRequest, PHFetchResult, PHAuthorizationStatus, limited library APIs
    3 installs
41. ▌
    Axiom Swift Concurrency · charleswiltgen

    Use when you see 'actor-isolated', 'Sendable', 'data race', '@MainActor' errors, or when asking 'why is this not thread safe', 'how do I use async/await', 'what is @MainActor for', 'my app is crashing with concurrency errors', 'how do I fix data races' - Swift 6 strict concurrency patterns with actor isolation and async/await
    3 installs
42. ▌
    Axiom Swift Performance · charleswiltgen

    Use when optimizing Swift code performance, reducing memory usage, improving runtime efficiency, dealing with COW, ARC overhead, generics specialization, or collection optimization
    3 installs
43. ▌
    Axiom Swiftui Debugging · charleswiltgen

    Use when debugging SwiftUI view updates, preview crashes, or layout issues - diagnostic decision trees to identify root causes quickly and avoid misdiagnosis under pressure
    3 installs
44. ▌
    Axiom Testflight Triage · charleswiltgen

    Use when ANY beta tester reports a crash, ANY crash appears in Organizer or App Store Connect, crash logs need symbolication, app was killed without crash report, or you need to triage TestFlight feedback
    3 installs
45. ▌
    Axiom Xctest Automation · charleswiltgen

    Use when writing, running, or debugging XCUITests. Covers element queries, waiting strategies, accessibility identifiers, test plans, and CI/CD test execution patterns.
    3 installs
46. ▌
    Axiom IOS Networking · charleswiltgen

    Use when implementing or debugging ANY network connection, API call, or socket. Covers URLSession, Network.framework, NetworkConnection, deprecated APIs, connection diagnostics, structured concurrency networking.
    3 installs
47. ▌
    Axiom Realitykit Ref · charleswiltgen

    RealityKit API reference — Entity, Component, System, RealityView, Model3D, anchor types, material system, physics, collision, animation, audio, accessibility
    3 installs
48. ▌
    Axiom Sf Symbols Ref · charleswiltgen

    Use when you need complete SF Symbols API reference including every rendering mode, symbol effect, configuration option, UIKit equivalent, and platform availability - comprehensive code examples for iOS 17 through iOS 26
    3 installs
49. ▌
    Axiom Spritekit Diag · charleswiltgen

    Use when physics contacts don't fire, objects tunnel through walls, frame rate drops, touches don't register, memory spikes, coordinate confusion, or scene transition crashes
    3 installs
50. ▌
    Axiom Sqlitedata Ref · charleswiltgen

    SQLiteData advanced patterns, @Selection column groups, single-table inheritance, recursive CTEs, database views, custom aggregates, TableAlias self-joins, JSON/string aggregation
    3 installs
51. ▌
    Axiom Swiftui 26 Ref · charleswiltgen

    Use when implementing iOS 26 SwiftUI features - covers Liquid Glass design system, performance improvements, @Animatable macro, 3D spatial layout, scene bridging, WebView/WebPage, AttributedString rich text editing, drag and drop enhancements, and visionOS integration for iOS 26+
    3 installs
52. ▌
    Axiom Swiftui Layout · charleswiltgen

    Use when layouts need to adapt to different screen sizes, iPad multitasking, or iOS 26 free-form windows — decision trees for ViewThatFits vs AnyLayout vs onGeometryChange, size class limitations, and anti-patterns preventing device-based layout mistakes
    3 installs
53. ▌
    Axiom Timer Patterns · charleswiltgen

    Use when implementing timers, debugging timer crashes (EXC_BAD_INSTRUCTION), Timer stops during scrolling, or choosing between Timer/DispatchSourceTimer/Combine/async timer APIs
    3 installs
54. ▌
    Axiom Typography Ref · charleswiltgen

    Apple platform typography reference (San Francisco fonts, text styles, Dynamic Type, tracking, leading, internationalization) through iOS 26
    3 installs
55. ▌
    Axiom Uikit Bridging · charleswiltgen

    Use when wrapping UIKit views/controllers in SwiftUI, embedding SwiftUI in UIKit, or debugging UIKit-SwiftUI interop issues. Covers UIViewRepresentable, UIViewControllerRepresentable, UIHostingController, UIHostingConfiguration, coordinators, lifecycle, state binding, memory management.
    3 installs
56. ▌
    Axiom App Composition · charleswiltgen

    Use when structuring app entry points, managing authentication flows, switching root views, handling scene lifecycle, or asking 'how do I structure my @main', 'where does auth state live', 'how do I prevent screen flicker on launch', 'when should I modularize' - app-level composition patterns for iOS 26+
    3 installs
57. ▌
    Axiom App Intents Ref · charleswiltgen

    Use when integrating App Intents for Siri, Apple Intelligence, Shortcuts, Spotlight, or system experiences - covers AppIntent, AppEntity, parameter handling, entity queries, background execution, authentication, and debugging common integration issues for iOS 16+
    3 installs
58. ▌
    Axiom Assume Isolated · charleswiltgen

    Use when needing synchronous actor access in tests, legacy delegate callbacks, or performance-critical code. Covers MainActor.assumeIsolated, @preconcurrency protocol conformances, crash behavior, Task vs assumeIsolated.
    3 installs
59. ▌
    Axiom Build Debugging · charleswiltgen

    Use when encountering dependency conflicts, CocoaPods/SPM resolution failures, "Multiple commands produce" errors, or framework version mismatches - systematic dependency and build configuration debugging for iOS projects. Includes pressure scenario guidance for resisting quick fixes under time constraints
    3 installs
60. ▌
    Axiom Cloud Sync Diag · charleswiltgen

    Use when debugging 'file not syncing', 'CloudKit error', 'sync conflict', 'iCloud upload failed', 'ubiquitous item error', 'data not appearing on other devices', 'CKError', 'quota exceeded' - systematic iCloud sync diagnostics for both CloudKit and iCloud Drive
    3 installs
61. ▌
    Axiom Getting Started · charleswiltgen

    Use when first installing Axiom, unsure which skill to use, want an overview of available skills, or need help finding the right skill for your situation — interactive onboarding that recommends skills based on your project and current focus
    3 installs
62. ▌
    Axiom IOS Concurrency · charleswiltgen

    Use when writing ANY code with async, actors, threads, or seeing ANY concurrency error. Covers Swift 6 concurrency, @MainActor, Sendable, data races, async/await patterns, performance optimization.
    3 installs
63. ▌
    Axiom IOS Integration · charleswiltgen

    Use when integrating ANY iOS system feature - Siri, Shortcuts, Apple Intelligence, widgets, IAP, camera, photo library, photos picker, audio, axiom-haptics, axiom-localization, privacy, alarms. Covers App Intents, WidgetKit, StoreKit, AVFoundation, PHPicker, PhotosPicker, Core Haptics, App Shortcuts, Spotlight, AlarmKit.
    3 installs
64. ▌
    Axiom IOS Performance · charleswiltgen

    Use when app feels slow, memory grows, battery drains, or diagnosing ANY performance issue. Covers memory leaks, profiling, Instruments workflows, retain cycles, performance optimization.
    2 installs
65. ▌
    Axiom Metal Migration · charleswiltgen

    Use when porting OpenGL/DirectX to Metal - translation layer vs native rewrite decisions, migration planning, anti-patterns
    3 installs
66. ▌
    Axiom Networking Diag · charleswiltgen

    Use when debugging connection timeouts, TLS handshake failures, data not arriving, connection drops, performance issues, or proxy/VPN interference - systematic Network.framework diagnostics with production crisis defense
    3 installs
67. ▌
    Axiom Realitykit Diag · charleswiltgen

    Use when RealityKit entities not visible, anchors not tracking, gestures not responding, performance drops, materials wrong, or multiplayer sync fails
    3 installs
68. ▌
    Axiom Swiftui Nav Ref · charleswiltgen

    Reference — Comprehensive SwiftUI navigation guide covering NavigationStack (iOS 16+), NavigationSplitView (iOS 16+), NavigationPath, deep linking, state restoration, Tab+Navigation integration (iOS 18+), Liquid Glass navigation (iOS 26+), and coordinator patterns
    3 installs
69. ▌
    Axiom Synchronization · charleswiltgen

    Use when needing thread-safe primitives for performance-critical code. Covers Mutex (iOS 18+), OSAllocatedUnfairLock (iOS 16+), Atomic types, when to use locks vs actors, deadlock prevention with Swift Concurrency.
    3 installs
70. ▌
    Axiom Xcode Debugging · charleswiltgen

    Use when encountering BUILD FAILED, test crashes, simulator hangs, stale builds, zombie xcodebuild processes, "Unable to boot simulator", "No such module" after SPM changes, or mysterious test failures despite no code changes - systematic environment-first diagnostics for iOS/macOS projects
    3 installs
71. ▌
    Axiom Xcode MCP Setup · charleswiltgen

    Xcode MCP setup — enable mcpbridge, per-client config, permission handling, multi-Xcode targeting, troubleshooting
    3 installs
72. ▌
    Axiom Xcode MCP Tools · charleswiltgen

    Xcode MCP workflow patterns — BuildFix loop, TestFix loop, preview verification, window targeting, tool gotchas
    3 installs
73. ▌
    Axiom Alarmkit Ref · charleswiltgen

    Use when implementing alarm functionality, scheduling wake alarms, or integrating AlarmKit with Live Activities. Covers AlarmKit authorization, alarm configuration, SwiftUI views, and Live Activity integration.
    3 installs
74. ▌
    Axiom Cloudkit Ref · charleswiltgen

    Use when implementing 'CloudKit sync', 'CKSyncEngine', 'CKRecord', 'CKDatabase', 'SwiftData CloudKit', 'shared database', 'public database', 'CloudKit zones', 'conflict resolution' - comprehensive CloudKit database APIs and modern sync patterns reference
    3 installs
75. ▌
    Axiom Code Signing · charleswiltgen

    Use when setting up code signing, managing certificates, configuring provisioning profiles, debugging signing errors, setting up CI/CD signing, or preparing distribution builds. Covers certificate lifecycle, automatic vs manual signing, entitlements, fastlane match, Keychain management, and App Store distribution signing.
    3 installs
76. ▌
    Axiom IOS Graphics · charleswiltgen

    Use when working with ANY GPU rendering, Metal, OpenGL migration, shaders, 3D content, RealityKit, AR, or display performance. Covers Metal migration, shader conversion, RealityKit ECS, RealityView, variable refresh rate, ProMotion.
    3 installs
77. ▌
    Axiom Keychain Ref · charleswiltgen

    Use when needing SecItem function signatures, keychain attribute constants, item class uniqueness constraints, accessibility level details, SecAccessControlCreateFlags, kSecReturn behavior per class, LAContext keychain integration, or OSStatus error codes. Covers complete keychain API surface.
    3 installs
78. ▌
    Axiom Liquid Glass · charleswiltgen

    Use when implementing Liquid Glass effects, reviewing UI for Liquid Glass adoption, debugging visual artifacts, optimizing performance, or requesting expert review of Liquid Glass implementation - provides comprehensive design principles, API patterns, and troubleshooting guidance from WWDC 2025. Includes design review pressure handling and professional push-back frameworks
    3 installs
79. ▌
    Axiom Localization · charleswiltgen

    Use when localizing apps, using String Catalogs, generating type-safe symbols (Xcode 26+), handling plurals, RTL layouts, locale-aware formatting, or migrating from .strings files - comprehensive i18n patterns for Xcode 15-26
    3 installs
80. ▌
    Axiom Scenekit Ref · charleswiltgen

    SceneKit → RealityKit concept mapping, complete API cross-reference for migration, scene graph API, materials, lighting, camera, physics, animation, constraints
    3 installs
81. ▌
    Axiom Storage Diag · charleswiltgen

    Use when debugging 'files disappeared', 'data missing after restart', 'backup too large', 'can't save file', 'file not found', 'storage full error', 'file inaccessible when locked' - systematic local file storage diagnostics
    3 installs
82. ▌
    Axiom Storekit Ref · charleswiltgen

    Reference — Complete StoreKit 2 API guide covering Product, Transaction, AppTransaction, RenewalInfo, SubscriptionStatus, StoreKit Views, purchase options, server APIs, and all iOS 18.4 enhancements with WWDC 2025 code examples
    3 installs
83. ▌
    Axiom Swift Modern · charleswiltgen

    Use when reviewing or generating Swift code for modern idiom correctness — catches outdated APIs, pre-Swift 5.5 patterns, and Foundation legacy usage that Claude defaults to
    3 installs
84. ▌
    Axiom UI Recording · charleswiltgen

    Use when setting up UI test recording in Xcode 26, enhancing recorded tests for stability, or configuring test plans for multi-configuration replay. Based on WWDC 2025-344 "Record, replay, and review".
    3 installs
85. ▌
    Axiom App Store Ref · charleswiltgen

    App Store submission reference — complete metadata field specs, App Review guideline index, privacy manifest schema, age rating system, export compliance, EU DSA requirements, IAP review pipeline, and WWDC25 submission changes
    3 installs
86. ▌
    Axiom Core Location · charleswiltgen

    Use for Core Location implementation patterns - authorization strategy, monitoring strategy, accuracy selection, background location
    3 installs
87. ▌
    Axiom Cryptokit Ref · charleswiltgen

    Use when needing CryptoKit API details — hash functions (SHA2/SHA3), HMAC, AES-GCM/ChaChaPoly encryption, ECDSA/EdDSA signatures, ECDH key agreement, ML-KEM/ML-DSA post-quantum algorithms, HPKE encryption, Secure Enclave key types, key representations (raw/DER/PEM/x963), or Swift Crypto cross-platform parity. Covers complete CryptoKit API surface.
    3 installs
88. ▌
    Axiom Keychain Diag · charleswiltgen

    Use when SecItem calls fail — errSecDuplicateItem from unexpected uniqueness, errSecItemNotFound despite item existing, errSecInteractionNotAllowed in background, keychain items disappearing after app update, access group entitlement errors, or Mac keychain shim issues. Covers systematic error diagnosis with decision trees.
    3 installs
89. ▌
    Axiom Metrickit Ref · charleswiltgen

    MetricKit API reference for field diagnostics - MXMetricPayload, MXDiagnosticPayload, MXCallStackTree parsing, crash and hang collection
    3 installs
90. ▌
    Axiom Photo Library · charleswiltgen

    PHPicker, PhotosPicker, photo selection, limited library access, presentLimitedLibraryPicker, save to camera roll, PHPhotoLibrary, PHAssetCreationRequest, Transferable, PhotosPickerItem, photo permissions
    3 installs
91. ▌
    Axiom Spritekit Ref · charleswiltgen

    SpriteKit API reference — all node types, physics body creation, action catalog, texture atlases, constraints, scene setup, particles, SKRenderer
    3 installs
92. ▌
    Axiom Swift Testing · charleswiltgen

    Use when writing unit tests, adopting Swift Testing framework, making tests run faster without simulator, architecting code for testability, testing async code reliably, or migrating from XCTest - covers @Test/@Suite macros,
    3 installs
93. ▌
    Axiom Testing Async · charleswiltgen

    Use when testing async code with Swift Testing. Covers confirmation for callbacks, @MainActor tests, async/await patterns, timeout control, XCTest migration, parallel test execution.
    3 installs
94. ▌
    Axiom UX Flow Audit · charleswiltgen

    Use when auditing user journeys, checking for UX dead ends, dismiss traps, buried CTAs, missing empty/loading/error states, or broken data paths in iOS apps (SwiftUI and UIKit).
    3 installs
95. ▌
    Axiom Xcode MCP Ref · charleswiltgen

    Reference — all 20 Xcode MCP tools with parameters, return schemas, and examples
    3 installs
96. ▌
    Axiom App Store Diag · charleswiltgen

    Use when app is rejected by App Review, submission blocked, or appeal needed - systematic diagnosis from rejection message to fix with guideline-specific remediation patterns and appeal writing
    3 installs
97. ▌
    Axiom Camera Capture · charleswiltgen

    AVCaptureSession, camera preview, photo capture, video recording, RotationCoordinator, session interruptions, deferred processing, capture responsiveness, zero-shutter-lag, photoQualityPrioritization, front camera mirroring
    3 installs
98. ▌
    Axiom Core Data Diag · charleswiltgen

    Use when debugging schema migration crashes, concurrency thread-confinement errors, N+1 query performance, SwiftData to Core Data bridging, or testing migrations without data loss - systematic Core Data diagnostics with safety-first migration patterns
    3 installs
99. ▌
    Axiom IOS Data · charleswiltgen

    Use when working with ANY data persistence, database, axiom-storage, CloudKit, migration, or serialization. Covers SwiftData, Core Data, GRDB, SQLite, CloudKit sync, file storage, Codable, migrations.
    3 installs
100. ▌
     Axiom Keychain · charleswiltgen

     Use when storing credentials, tokens, or secrets securely, debugging SecItem errors (errSecDuplicateItem, errSecItemNotFound, errSecInteractionNotAllowed), managing keychain access groups, or choosing accessibility classes. Covers SecItem API mental model, uniqueness constraints, data protection, biometric access control, sharing between apps, and Mac keychain differences.
     3 installs