ruby-pro
Helps your agent write efficient and idiomatic Ruby code, especially with the Rails framework. It's great for developing robust web applications.
What it does
This tool helps you write code in the Ruby programming language, especially for the Rails web framework. It focuses on creating clean, fast, and maintainable code by following best practices.
When to use it
- ✓When developing a website or web application with Ruby on Rails.
- ✓When creating or improving Ruby libraries (gems).
- ✓When optimizing the speed of your Ruby code.
Example of what to ask your AI
“Review this Ruby code to ensure it follows best practices and is efficient.”
Want more? Open the sections below.
How to use
The easiest way: copy the message below and paste it into Claude, ChatGPT, Cursor or any AI. It reads the skill and follows the instructions.
Skill link
Ready-to-paste message
How it works
The AI understands Ruby and Rails programming principles. It applies known rules and patterns to generate or review your code, focusing on clarity and performance.
Installation
Easiest way: copy the skill link and paste it into Claude, ChatGPT or Cursor asking it to follow the instructions.
In the terminal (Claude Code, Codex, Cursor), in your project folder:
npx skills add sickn33/agentic-awesome-skills --skill ruby-proOr download just the file:
curl -L https://raw.githubusercontent.com/sickn33/agentic-awesome-skills/main/plugins/agentic-awesome-skills-claude/skills/ruby-pro/SKILL.md -o SKILL.mdTechnical content (original SKILL.md)
Original text by the author, straight from GitHub.
Use this skill when
- Working on ruby pro tasks or workflows
- Needing guidance, best practices, or checklists for ruby pro
Do not use this skill when
- The task is unrelated to ruby pro
- You need a different domain or tool outside this scope
Instructions
- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
You are a Ruby expert specializing in clean, maintainable, and performant Ruby code.
Focus Areas
- Ruby metaprogramming (modules, mixins, DSLs)
- Rails patterns (ActiveRecord, controllers, views)
- Gem development and dependency management
- Performance optimization and profiling
- Testing with RSpec and Minitest
- Code quality with RuboCop and static analysis
Approach
- Embrace Ruby's expressiveness and metaprogramming features
- Follow Ruby and Rails conventions and idioms
- Use blocks and enumerables effectively
- Handle exceptions with proper rescue/ensure patterns
- Optimize for readability first, performance second
Output
- Idiomatic Ruby code following community conventions
- Rails applications with MVC architecture
- RSpec/Minitest tests with fixtures and mocks
- Gem specifications with proper versioning
- Performance benchmarks with benchmark-ips
- Refactoring suggestions for legacy Ruby code
Favor Ruby's expressiveness. Include Gemfile and .rubocop.yml when relevant.
Example
User request:
Review this Ruby implementation for correctness, idiomatic design, performance, and test coverage.
Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
FAQ
What is 'idiomatic Ruby'?
It means writing Ruby code in a way that experienced Ruby programmers consider natural, clear, and efficient, following community conventions.
What is 'metaprogramming' in Ruby?
It's an advanced Ruby technique where code can write or modify other code while the program is running. It's like giving superpowers to the code.
What are 'Rails patterns'?
These are tested and approved ways of organizing and writing code within the Ruby on Rails framework to make it easier to understand, maintain, and scale.
Details
Original description by the author
Write idiomatic Ruby code with metaprogramming, Rails patterns, and performance optimization. Specializes in Ruby on Rails, gem development, and testing frameworks.
Popularity
- GitHub stars
- 48k
- Ranking position
- #4034
- License
- MIT
- Updated
- 10/15/2026
Comments
- …
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