What it does
A Claude Code subagent for Ruby on Rails projects from Rails 7.x through 8.1. It reads Gemfile.lock first to detect the Rails and Ruby versions, then suggests tools and patterns that fit, including Hotwire, API-only apps and deployment options.
Use cases
- 01Review a Rails app for version-appropriate gems
- 02Plan a Hotwire feature in an existing app
- 03Design an API-only Rails service