Create Excalidraw diagram JSON files that make visual arguments. Use when the user wants to visualize workflows, architectures, or concepts.
Use this skill when writing Ruby code following the RuboCop Community Ruby Style Guide. Provides comprehensive guidance on idiomatic Ruby patterns, method design, class structure, collections, strings, exceptions, and testing. Covers Sandi Metz rules, duck typing, metaprogramming guidelines, and RuboCop enforcement. Appropriate for any task involving .rb files, Ruby code reviews, refactoring, Rails development, or implementing Ruby best practices.
Use this skill when writing Python code following PEP 8 and modern Python best practices. Provides comprehensive guidance on code layout, naming conventions, EAFP philosophy, type hints, exception handling, and pytest-based TDD. Covers all critical PEP 8 rules including indentation, imports, whitespace, documentation, and idiomatic Python patterns. Appropriate for any task involving .py files, Python code reviews, refactoring, or ensuring Python code quality.
Use this skill when writing Go code following the Uber Go Style Guide. Provides comprehensive guidance on idiomatic Go patterns, error handling, concurrency safety, performance optimization, and test-driven development. Covers all critical Uber Go rules including channel sizing, goroutine management, interface design, and proper error handling. Appropriate for any task involving .go files, Go code reviews, refactoring, or implementing Go best practices.