Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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axiom-foundation-models-diag
Use when debugging Foundation Models issues — context exceeded, guardrail violations, slow generation, availability problems, unsupported language, or unexpected output. Systematic diagnostics with production crisis defense.
CharlesWiltgen/Axiom 698
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axiom-photo-library
PHPicker, PhotosPicker, photo selection, limited library access, presentLimitedLibraryPicker, save to camera roll, PHPhotoLibrary, PHAssetCreationRequest, Transferable, PhotosPickerItem, photo permissions
CharlesWiltgen/Axiom 698
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axiom-accessibility-diag
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
CharlesWiltgen/Axiom 698
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axiom-keychain
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.
CharlesWiltgen/Axiom 698
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axiom-liquid-glass
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
CharlesWiltgen/Axiom 698
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axiom-localization
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
CharlesWiltgen/Axiom 698
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axiom-hig-ref
Reference — Comprehensive Apple Human Interface Guidelines covering colors (semantic, custom, patterns), backgrounds (material hierarchy, dynamic), typography (built-in styles, custom fonts, Dynamic Type), SF Symbols (rendering modes, color, axiom-localization), Dark Mode, accessibility, and platform-specific considerations
CharlesWiltgen/Axiom 698
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axiom-background-processing
Use when implementing BGTaskScheduler, debugging background tasks that never run, understanding why tasks terminate early, or testing background execution - systematic task lifecycle management with proper registration, expiration handling, and Swift 6 cancellation patterns
CharlesWiltgen/Axiom 698
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axiom-swiftui-debugging-diag
Use when SwiftUI view debugging requires systematic investigation - view updates not working after basic troubleshooting, intermittent UI issues, complex state dependencies, or when Self._printChanges() shows unexpected update patterns - systematic diagnostic workflows with Instruments integration
CharlesWiltgen/Axiom 698
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axiom-xclog-ref
Use when capturing iOS simulator console output, diagnosing runtime crashes, viewing print/os_log output, or needing structured app logs for analysis. Reference for xclog CLI covering launch, attach, list modes with JSON output.
CharlesWiltgen/Axiom 698
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axiom-background-processing-diag
Symptom-based background task troubleshooting - decision trees for 'task never runs', 'task terminates early', 'works in dev not prod', 'handler not called', with time-cost analysis for each diagnosis path
CharlesWiltgen/Axiom 698
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axiom-storage
Use when asking 'where should I store this data', 'should I use SwiftData or files', 'CloudKit vs iCloud Drive', 'Documents vs Caches', 'local or cloud storage', 'how do I sync data', 'where do app files go' - comprehensive decision framework for all iOS storage options
CharlesWiltgen/Axiom 698
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axiom-realitykit-ref
RealityKit API reference — Entity, Component, System, RealityView, Model3D, anchor types, material system, physics, collision, animation, audio, accessibility
CharlesWiltgen/Axiom 698
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axiom-ui-recording
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".
CharlesWiltgen/Axiom 698
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axiom-xcode-mcp-ref
Reference — all 20 Xcode MCP tools with parameters, return schemas, and examples
CharlesWiltgen/Axiom 698
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axiom-extensions-widgets-ref
Use when implementing widgets, Live Activities, Control Center controls, or app extensions - comprehensive API reference for WidgetKit, ActivityKit, App Groups, and extension lifecycle for iOS 14+
CharlesWiltgen/Axiom 698
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axiom-core-location-diag
Use for Core Location troubleshooting - no location updates, background location broken, authorization denied, geofence not triggering
CharlesWiltgen/Axiom 698
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axiom-hang-diagnostics
Use when app freezes, UI unresponsive, main thread blocked, watchdog termination, or diagnosing hang reports from Xcode Organizer or MetricKit
CharlesWiltgen/Axiom 698
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axiom-shipping
Use when preparing ANY app for submission, handling App Store rejections, writing appeals, or managing App Store Connect. Covers submission checklists, rejection troubleshooting, metadata requirements, privacy manifests, age ratings, export compliance.
CharlesWiltgen/Axiom 698
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axiom-xcode-mcp-setup
Xcode MCP setup — enable mcpbridge, per-client config, permission handling, multi-Xcode targeting, troubleshooting
CharlesWiltgen/Axiom 698
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axiom-sf-symbols
Use when implementing SF Symbols rendering modes, symbol effects, animations, custom symbols, or troubleshooting symbol appearance - covers the full symbol effects system from iOS 17 through SF Symbols 7 Draw animations in iOS 26
CharlesWiltgen/Axiom 698
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axiom-app-store-diag
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
CharlesWiltgen/Axiom 698
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axiom-avfoundation-ref
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
CharlesWiltgen/Axiom 698
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axiom-foundation-models-ref
Reference — Complete Foundation Models framework guide covering LanguageModelSession, @Generable, @Guide, Tool protocol, streaming, dynamic schemas, built-in use cases, and all WWDC 2025 code examples
CharlesWiltgen/Axiom 698