creator profile · 135 approved skills · page 5 of 14
charleswiltgen publishes 135 approved skills on explainx.ai. This page loads 10 skills at a time. Current page is led by axiom-storage-diag.
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Core principle 90% of file storage problems stem from choosing the wrong storage location, misunderstanding file protection levels, or missing backup exclusions—not iOS file syste…
Porting OpenGL/OpenGL ES or DirectX code to Metal on Apple platforms.
Systematic Xcode build performance analysis and optimization. Core principle: Measure before optimizing, then optimize the critical path first.
Comprehensive API reference for modern Core Location (iOS 17+).
Core principle: Core Data is a mature object graph and persistence framework. Use it when needing features SwiftData doesn't support, or when targeting older iOS versions.
Apple bundles for-LLM markdown documentation inside Xcode. These are authoritative, up-to-date guides and diagnostics written by Apple engineers. Use them alongside Axiom skills f…
Purpose: Comprehensive reference for file encryption and data protection APIs Availability: iOS 4.0+ (all protection levels), latest enhancements in iOS 26 Context: Built on iOS D…
Purpose: Comprehensive reference for file-based iCloud sync using ubiquitous containers Availability: iOS 5.0+ (basic), iOS 8.0+ (iCloud Drive), iOS 11.0+ (modern APIs) Context: F…
Complete reference for TextKit 2 covering architecture, migration from TextKit 1, Writing Tools integration, and SwiftUI TextEditor with AttributedString through iOS 26.
Complete API reference for iOS energy optimization, with code examples from WWDC sessions and Apple documentation.
