A Claude Code plugin for upgrading Ruby projects safely — including Ruby on Rails apps. Supports any Ruby version upgrade (2.7→3.x and beyond) and any Rails version upgrade (5→8), separately or together.
dhruvasagar/ruby-upgrade-toolkit
Agent
Use this agent when the user asks to fix deprecation warnings in a specific file, wants to batch-fix all deprecations in a directory, or asks to clear all deprecation warnings from the test suite. This agent autonomously fixes safe deprecation patterns and guides the user through complex ones. Examples.
dhruvasagar/ruby-upgrade-toolkit
Agent
Use this agent when a user describes an upgrade intent in natural language — e.g. "I need to upgrade Ruby to 3.3", "upgrade this app from Rails 7 to 8", "what would it take to get to Ruby 3.2?", "how bad is our deprecation situation?", "audit my app before upgrading", "we're thinking about upgrading", "our app is on…