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.