Does this skill require Ruby on Rails to work?

No. It follows the pattern of 'Rails integration without Rails coupling,' meaning your gem works in pure Ruby but integrates seamlessly if Rails is present using conditional loading.

How does it handle gem dependencies?

It prioritizes the Ruby standard library and recommends moving development dependencies to the Gemfile rather than the gemspec to keep the runtime footprint as small as possible.

Can I use this for refactoring existing gems?

Yes, this skill is excellent for refactoring existing codebases to align with cleaner, more modern Ruby library patterns and reducing technical debt.

What is the Andrew Kane style for Ruby gems?

It is a philosophy focused on simplicity, minimal dependencies, explicit code over metaprogramming, and efficient production use cases, popularized by gems like Searchkick, PgHero, and Ahoy.

Why does this skill prefer Minitest over RSpec?

Following Andrew Kane's patterns, Minitest is preferred for its speed, simplicity, and lack of DSL overhead, ensuring the library remains lightweight and easy for others to contribute to.

Andrew Kane Ruby Gem Architect

Name: Andrew Kane Ruby Gem Architect
Author: Folly-Partners

byFolly-Partners

0•

API Development

Generates high-performance, production-ready Ruby gems using Andrew Kane's minimalist, battle-tested architectural patterns.

This skill empowers developers to build Ruby libraries following the proven philosophy of Andrew Kane, creator of Searchkick and PgHero. It emphasizes simplicity over cleverness, ensuring minimal runtime dependencies, explicit code structures, and seamless Rails integration without tight coupling. By applying these specific patterns—such as the Class Macro DSL, deferred Rails loading via on_load, and Minitest-focused testing—developers can create gems that are easy to maintain, performant in production, and follow the standards of the most successful libraries in the Ruby ecosystem.

Key Features

01Minimalist Gem Architecture: Enforces zero or minimal runtime dependencies for faster loading and fewer conflicts.

02Class Macro DSL: Creates clean, signature Kane-style configuration methods for models and classes.

03Explicit Configuration: Utilizes efficient class accessors instead of heavy configuration objects for better performance.

040 GitHub stars

05Safe Rails Integration: Implements ActiveSupport.on_load patterns to ensure gems don't require Rails gems directly.

06Minitest Standards: Sets up lightweight, fast testing environments using Minitest and Pride over RSpec.

Use Cases

01Designing a Ruby-first API that provides optional, decoupled integration with ActiveRecord or ActionPack.

02Refactoring an existing gem to reduce dependencies and improve maintainability through explicit Ruby patterns.

03Bootstrapping a new, lightweight Ruby library with production-grade standards and minimal footprint.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add folly-partners/claudesync andrew-kane-gem-writer

For use in Claude.ai and ChatGPT

Download Skill