Rails Claude Code

Rails Claude Code Plugins

A collection of Claude Code plugins for Ruby on Rails development.

Installation

Plugins

1. rails-simplifier

A code simplification skill that refines Ruby on Rails code following 37signals patterns and the One Person Framework philosophy.

Philosophy

The One Person Framework (DHH, December 2021):
"A toolkit so powerful that it allows a single individual to create modern applications upon which they might build a competitive business."

Conceptual Compression (RailsConf 2018):
"Like a video codec that throws away irrelevant details such that you might download the film in real-time."

Vanilla Rails is Plenty (Jorge Manrubia, 37signals):
"If you have the luxury of starting a new Rails app today, go vanilla."

What It Does

Usage

Package Contents

Resources

- 37signals Rails Patterns
- Jorge Manrubia's Blog
- Rails Doctrine

2. rails-upgrade-assistant

A unified, intelligent Rails upgrade assistant that helps you upgrade Ruby on Rails applications through any version from 6.0 to 8.1.1. Built on official Rails CHANGELOGs, it analyzes your project with the standard file tools — no external services required.

What It Does

- Analyzes your Rails project automatically by reading its files
- Detects your current version and target version
- Plans single-hop or multi-hop upgrade paths
- Identifies breaking changes specific to YOUR code
- Preserves your custom configurations with warnings
- Generates comprehensive upgrade reports (50+ pages)
- Based on official Rails CHANGELOGs from GitHub

Supported Upgrade Paths

 Important: Rails upgrades MUST be sequential. No version skipping!

Usage

Workflow

1. Detects your current and target versions from Gemfile.lock
2. Generates a detection script tailored to the specific hop
3. Runs the script and…