16 builder options across 8 categories.
Swift is Apple's language for iOS, macOS, watchOS, and server-side development. Agent rules for Swift commonly cover SwiftUI architecture patterns, async/await usage, protocol-oriented design, Swift Package Manager conventions, and API design guidelines.
Select libraries used in your project
Code quality tools
Performance optimization guidelines
Security best practices
Community-sourced coding standards
Testing frameworks and conventions
Infrastructure, CI/CD, and DevOps tools