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Swift Concurrency Agent Skill is an open-source “agent skill” designed to give AI coding assistants deep expertise in Apple’s Swift Concurrency model, including async/await, structured concurrency, task groups, actors, and thread safety. It is formatted according to the Agent Skills specification so that tools like Claude Code, Cursor, Copilot, and other LLM-powered systems can load it and apply guidance when relevant. The skill codifies practical best practices for writing efficient, safe, and modern concurrent Swift code and outlines how to modernize existing legacy code toward Swift 6 conventions. Rather than teaching basic Swift, it targets the nuanced behaviors of concurrency primitives, actor isolation, and safety annotations like @MainActor and Sendable. It also clarifies how to reason about structured tasks, cancellation, and performance trade-offs.
Features
- Expert guidance on Swift Concurrency async/await patterns
- Best practices for actor isolation and Sendable types
- Migration guidance from older concurrency models to Swift 6
- Concurrency performance optimization recommendations
- Structured concurrency task and task group decision paths
- Safety-focused heuristics for multi-threaded Swift code
Project Samples
