rails-upgrade-assistant

This assistant analyzes your codebase to generate modular Rails upgrade guidance, including a detection script, a comprehensive upgrade report, and an app:update preview. It delivers code-aware recommendations and risk assessments tailored to your specific project files.

The Rails upgrade assistant supports application upgrades from Rails 7.0 through 8.1.1. It handles both single-hop and multi-hop upgrade sequences, providing precise change recommendations based on official Rails CHANGELOG version guides.

Yes, you need access to a Rails MCP server because the assistant reads your actual project files to generate accurate upgrade guidance. It optionally integrates with Neovim MCP support for real-time, in-editor code updates.

Multi-hop Rails upgrade sequencing works by planning a clear progression through intermediate versions. The assistant assesses risks for each hop, applies official Rails CHANGELOG-based version guides, and highlights exactly where custom code changes are needed.

Yes, the Rails upgrade assistant optionally integrates with Neovim MCP support for real-time, in-editor updates. This allows you to apply the generated upgrade guidance and custom code detections directly within your development environment.

The detection script output includes custom code detection with warnings that highlight exactly where changes are needed in your codebase. It works alongside a comprehensive upgrade report and an app:update preview to guide safe migrations.