17 builder options across 6 categories.
Kotlin is a modern JVM language that interoperates fully with Java while offering null safety, coroutines, and concise syntax. Agent rules typically cover coroutine usage patterns, data class conventions, Android Jetpack Compose structure, and idiomatic Kotlin style over Java alternatives.
Architecture patterns and principles
Select libraries used in your project
Code quality tools
Community-sourced coding standards
Testing frameworks and conventions