Claude Code
Codex
Cursor
GitHub Copilot
Gemini CLIAbout this skill
Upgrade a Ruby on Rails app from 4.x to 5.x — dual-boot via nextrails, ApplicationRecord introduction, ActionCable arrival, strong parameters becoming mandatory, params no longer hash-like, the version hop sequence, the Rails 5.1 system tests and yarn arrival, the Rails 5.2 ActiveStorage + credentials. Use when upgrading from Rails 4 to 5, the user mentions ApplicationRecord, strong parameters, params.permit, ActionCable, the params HashWithIndifferentAccess change, or asks how to leave Rails 4.
Quick start
- Copy the install prompt. Use the green button above this README.
- Send it to your agent. Paste it into your coding agent’s chat and send.
- Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.
Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.
0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1
Content SHA-256: 54a70bf08bfb9042ba7e0c015838a26d27a1258ed4876fc9c662c2ee3e4b3fbe
About this listing
- Category
- Engineering
- Reported license
- MIT
- Listing language (estimated)
- English
- Review status
- Not individually reviewed
- Agent compatibility
- Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.