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-core-data.
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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.
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…
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…
Comprehensive API reference for modern Core Location (iOS 17+).
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.
Safe database schema evolution for production apps with user data. Core principle Migrations are immutable after shipping. Make them additive, idempotent, and thoroughly tested.
Profile and optimize Swift async/await code using Instruments.
Comprehensive guide to privacy-first app design. Apple Design Award Social Impact winners handle data ethically, and privacy-first design is a key differentiator.
