Add expert Swift Concurrency guidance to your AI coding tool (Agent Skills open format): safe concurrency, performance optimization, and Swift 6 migration.

The Swift Concurrency Migration Guide, packaged as a Skill for LLMs.

Cross-platform .NET performance engineering skill for coding agents, covering CPU, memory, GC, benchmarking, concurrency, startup, native profiling, GPU rendering, and production diagnostics on macOS, Windows, and Linux.

Agent Skills for iOS 26+, Swift 6.3, SwiftUI, and modern Apple frameworks