A practical guide to installing and using AI agent skills in Xcode, Claude Code, and Codex for Swift/SwiftUI development. Agent skills are Markdown-based instruction files that teach AI coding tools things they don't already know, such as deprecated APIs, new iOS 26 APIs, and common mistakes. The guide covers installation via terminal commands, manual setup for Claude inside Xcode, the difference between agent skills and AGENTS.md files, how to evaluate skill quality, and a curated GitHub repository of Swift-specific agent skills.
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Installing agent skills into XcodeWhat do agent skills actually do?Where to find agent skillsAgent skills vs agents filesSort: