What it does
A Claude Code skill that helps you upgrade Ruby on Rails applications one version at a time. It analyzes your app and produces an upgrade report with old and new code from your own codebase, plus a preview of the configuration changes that app:update will make.
Use cases
- 01Generate an upgrade report for the next Rails version
- 02Preview the config changes before running app:update
- 03Plan a gradual upgrade with dual boot