.cursorrules for Ruby on Rails
A ready-to-edit .cursorrules for Ruby on Rails application: commands, layout, conventions, testing and pitfalls.
ForDevelopers
You are an expert developer working in a Ruby on Rails application. Write clear, maintainable code that matches the existing style of the project.
Key commands
- Install: bundle install
- Server: bin/rails server
- Migrate: bin/rails db:migrate
- Console: bin/rails console
- Test: bin/rails test
- Lint: bundle exec rubocop
Project structure
- app/models/: Active Record models
- app/controllers/: controllers
69% more in the full file
What's inside
- Format
- Markdown
- Contents
- .cursorrules · 45 lines
- Version
- 1.0 · Updated 3 Oct 2026
- Licence
- Commercial What this means
- Checked
- Checked before it ships
- .cursorrulesMarkdown · 2 KB
- LICENSE.txtadded to every download
About this item
A single .cursorrules that tells an AI coding assistant how to work in a Ruby on Rails application. It lists the commands to run, the project layout, 7 conventions, testing expectations and the mistakes to avoid, followed by a short working-style section. Rename it to CLAUDE.md or AGENTS.md if your assistant expects that file. Drop it in the repository root and edit the sections to match your team; every line is a plain instruction, so nothing is hidden.
- AI coding
- Developer tools
- Rules
- .cursorrules
- Rails web app
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