Agent skill
xcode
Xcode Apple development IDE with simulators. Use for iOS/macOS development.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/xcode
SKILL.md
Xcode
Xcode is the only IDE for native Apple platforms. 2025 (Xcode 17) brings Swift Assist and Predictive Code Completion running locally on Apple Silicon.
When to Use
- iOS/macOS: Building native apps.
- SwiftUI: "Previws" canvas is essential.
- Instruments: Deep performance profiling of Apple apps.
Core Concepts
Project/Workspace
.xcodeproj and .xcworkspace. Use Workspaces if using CocoaPods or multiple projects.
SwiftUI Previews
#Preview macro (Swift 5.9+) allows instant rendering of views.
Simulators
Run iOS on your Mac.
Best Practices (2025)
Do:
- Use Swift Testing: The new
Testingframework (macro-based) replaces XCTest. - Use
.xcstrings: The new String Catalog format for localization (replaces.strings). - Use CloudKit Console: Debug database data directly from the IDE/Web.
Don't:
- Don't fight the build system: If weird errors occur,
Product > Clean Build Folder(Cmd+Shift+K) is the first troubleshooting step.
References
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