Ruby Development Skill

Purpose

This skill provides comprehensive guidance for Ruby development, covering language fundamentals, object-oriented design, error handling, performance optimization, and modern Ruby (3.x+) features. It synthesizes knowledge from Ruby internals, best practices, and official documentation to support idiomatic, maintainable, and performant Ruby code.

When to Use This Skill

Use this skill when:

• Writing or reviewing Ruby code
• Debugging Ruby applications
• Optimizing Ruby performance
• Implementing object-oriented designs
• Handling errors and exceptions
• Working with Ruby's standard library
• Using modern Ruby features (pattern matching, types, fibers, ractors)
• Building Rails applications or Ruby gems