andrew-kane-gem-writer

Generate Ruby gems with minimal dependencies and Minitest testing.

Updated Jun 4, 2026
One-click install
npx skills add https://github.com/hemory/amp --skill andrew-kane-gem-writer-hemory
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: andrew-kane-gem-writer
Source: https://github.com/hemory/amp/tree/main/.claude/plugins/compound-engineering/skills/andrew-kane-gem-writer
Command: npx skills add https://github.com/hemory/amp --skill andrew-kane-gem-writer-hemory

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill streamlines the creation of robust, maintainable, and production-ready Ruby gems by adhering to Andrew Kane's battle-tested design principles and patterns.

Core Features & Use Cases

  • Gem Structure: Enforces a clean, standard directory layout and entry point structure for new gems.
  • API Design: Guides the implementation of class macro DSLs for intuitive configuration and usage.
  • Rails Integration: Ensures safe and efficient integration with Rails applications using ActiveSupport.on_load.
  • Error Handling & Testing: Promotes consistent error hierarchies and Minitest-based testing practices.
  • Use Case: When you need to build a new Ruby library for a specific task, like a custom authentication helper or a data processing utility, this skill will guide you to structure it according to best practices that minimize dependencies and maximize clarity.

Quick Start

Use the andrew-kane-gem-writer skill to create a new Ruby gem named 'my_utility_gem'.

Frequently Asked Questions about andrew-kane-gem-writer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a new Ruby gem for production readiness?

To structure a Ruby gem for production readiness, enforce a clean standard directory layout and entry point while adhering to minimal dependencies and explicit code over metaprogramming.

What is the best way to integrate a Ruby gem with Rails applications?

The best way to integrate a Ruby gem with Rails applications is using ActiveSupport.on_load, which ensures safe and efficient loading mechanisms without heavily monkey-patching core classes.

How does class macro DSL design work for Ruby gems?

Class macro DSL design in Ruby gems works by implementing class methods that define intuitive configuration interfaces, allowing users to set options cleanly through standard module organization.

Do I need Minitest to test Ruby gems following Andrew Kane's patterns?

Yes, Minitest is the standard testing framework promoted for Ruby gems following Andrew Kane's patterns, ensuring consistent error hierarchies and straightforward production-ready testing practices.

Why should I avoid metaprogramming when developing Ruby gems?

You should avoid metaprogramming when developing Ruby gems to maximize code clarity and maintainability, prioritizing explicit code structures that minimize hidden dependencies and simplify debugging.

Can I use this approach for building custom authentication helpers in Ruby?

Yes, you can use this pattern-based approach to build custom authentication helpers or data processing utilities in Ruby, guiding you to structure libraries according to best practices.