ruby-plugin-marketplace

Portable staff-level Rails code review workflow for any Rails project: local changes, branch diffs, pull requests, Rails architecture, Rails conventions, and maintainability reviews. Use this whenever the user asks to review Rails code or Rails application changes. If the review target is not explicit, ask whether to review local changes, this branch against main, or a pull request before proceeding.

This skill should be used when the user asks about "Bundler", "Gemfile", "Gemfile.lock", "bundle install", "bundle update", "bundle exec", "dependency management", "gem versions", "gem groups", "bundle add", "gem sources", or needs guidance on managing Ruby dependencies.

This skill should be used when the user asks about "factories", "FactoryBot", "factory_bot", "traits", "sequences", "build vs create", "transient attributes", "associations in factories", or needs guidance on test data generation in RSpec.

This skill should be used when the user asks to "write an RSpec test", "create a spec", "use describe blocks", "set up let variables", "use before hooks", "understand RSpec structure", mentions "subject", "context", "it blocks", or needs guidance on RSpec 3.x fundamentals and test structure.

This skill should be used when the user asks about "RSpec matchers", "expect syntax", "custom matchers", "compound matchers", "should vs expect", mentions "eq", "be", "include", "match", "have_attributes", or needs guidance on RSpec assertions and expectations.

This skill should be used when the user asks about "test doubles", "mocking", "stubbing", "spies", "verifying doubles", "partial doubles", "allow", "receive", "have_received", or needs guidance on isolating tests and mocking dependencies in RSpec.

This skill should be used when the user asks about "request specs", "system specs", "model specs", "controller specs", "mailer specs", "feature specs", "Capybara", "rspec-rails", or needs guidance on testing Rails applications with RSpec.

This skill should be used when the user asks about "shared examples", "shared contexts", "spec structure", "test organization", "describe blocks", "RSpec tagging", "spec file layout", or needs guidance on organizing and structuring RSpec test suites.

This skill should be used when the user asks about "slow specs", "test performance", "parallel tests", "spec profiling", "let vs let!", "build vs create", "test optimization", or needs guidance on making RSpec tests faster.

Guidance for integrating JavaScript in Rails: import maps, jsbundling-rails (Bun/esbuild/Rollup/Webpack), Turbo helpers, request.js, and UJS replacements. Use when the user asks about JavaScript setup, bundlers, or client-side behavior in Rails.

This skill should be used when the user asks about "Ruby basics", "blocks", "procs", "lambdas", "enumerables", "iterators", "pattern matching", "error handling", "exceptions", "Ruby 3 features", "Ractors", "Data class", "endless methods", "refinements", or needs guidance on Ruby language features and idioms.

This skill should be used when the user asks about "design patterns", "SOLID", "factory pattern", "singleton", "observer", "strategy", "decorator", "adapter", "facade", "command pattern", "builder pattern", "dependency injection", "composition", "Ruby patterns", or needs guidance on implementing design patterns in Ruby.

This skill should be used when the user asks about "gem development", "create a gem", "gemspec", "publish gem", "RubyGems", "bundler", "gem structure", "gem versioning", "semantic versioning", "gem testing", "gem documentation", or needs guidance on creating and publishing Ruby gems.

This skill should be used when the user asks about "metaprogramming", "DSL", "domain-specific language", "method_missing", "define_method", "class_eval", "instance_eval", "module_eval", "hooks", "included", "extended", "inherited", "singleton class", "eigenclass", "dynamic methods", "eval", or needs guidance on Ruby metaprogramming techniques.

This skill should be used when the user asks about "Ruby performance", "optimization", "profiling", "benchmarking", "memory", "garbage collection", "GC", "benchmark-ips", "stackprof", "memory_profiler", "slow code", "speed up Ruby", or needs guidance on making Ruby code faster.

This skill should be used when the user asks about "Rake", "rake tasks", "Rakefile", "task dependencies", "rake namespace", "rake desc", "rake file tasks", "invoke", "execute", "task arguments", or needs guidance on creating and managing Rake tasks.

This skill should be used when the user asks about "Ruby standard library", "stdlib", "FileUtils", "JSON", "CSV", "YAML", "Net::HTTP", "URI", "OpenStruct", "Struct", "Set", "Date", "Time", "Pathname", "StringIO", "Tempfile", "Logger", "OptionParser", or needs guidance on Ruby's built-in libraries.

This skill should be used when the user asks about "WebSockets", "Action Cable", "real-time", "channels", "broadcasting", "streams", "subscriptions", "live updates", "push notifications", "chat features", or needs guidance on implementing real-time features in Rails applications.

This skill should be used when the user asks about "controllers", "actions", "params", "strong parameters", "filters", "before_action", "after_action", "callbacks", "respond_to", "render", "redirect_to", "flash messages", "sessions", "cookies", "request handling", "routing constraints", or needs guidance on building Rails controllers.

This skill should be used when the user asks about "email", "mailers", "Action Mailer", "deliver_now", "deliver_later", "email templates", "attachments", "mail previews", "SMTP", "email configuration", "interceptors", or needs guidance on sending emails in Rails applications.

This skill should be used when the user asks about "rich text", "Action Text", "Trix editor", "WYSIWYG", "has_rich_text", "content editing", "embedded attachments", "formatted text", "text editor", or needs guidance on implementing rich text editing in Rails applications.

This skill should be used when the user asks about "views", "ERB templates", "partials", "layouts", "render", "form_with", "form helpers", "view helpers", "link_to", "content_for", "yield", "collection rendering", "locals", "tag helpers", "asset helpers", "image_tag", "stylesheet_link_tag", or needs guidance on building Rails views and templates.

This skill should be used when the user asks about "background jobs", "Active Job", "perform_later", "perform_now", "queue adapters", "job retries", "job callbacks", "async tasks", "scheduled jobs", "job queues", or needs guidance on background processing in Rails applications.

This skill should be used when the user asks about "file uploads", "Active Storage", "attachments", "has_one_attached", "has_many_attached", "image variants", "S3", "cloud storage", "direct uploads", "file processing", "image transformations", or needs guidance on handling file uploads in Rails applications.

This skill should be used when the user asks about "ActiveRecord", "database queries", "associations", "validations", "migrations", "scopes", "callbacks", "N+1 queries", "eager loading", "includes", "joins", "eager_load", "preload", "database optimization", "model relationships", "has_many", "belongs_to", "has_one", "polymorphic associations", "pluck", "exists", or needs guidance on database-related Rails topics.

This skill should be used when the user asks about "Hotwire", "Turbo", "Turbo Drive", "Turbo Frames", "Turbo Streams", "Stimulus", "Stimulus controllers", "Stimulus values", "Stimulus targets", "Stimulus actions", "import maps", "live updates", "partial page updates", "SPA-like behavior", "real-time updates", "turbo_frame_tag", "turbo_stream", "broadcast", or needs guidance on building modern Rails 7+ frontends without heavy JavaScript frameworks.

Deploy Rails apps with Kamal. Use when setting up Kamal, configuring deploy.yml, managing secrets, or running deploy/rollback commands.

This skill should be used when the user asks about "Minitest", "Rails testing", "test/", "fixtures", "ActiveSupport::TestCase", "ActionDispatch::IntegrationTest", "system tests", "functional tests", "assert", "assert_equal", "assert_difference", "test_helper", "rails test", or needs guidance on testing Rails applications with the default Minitest framework.

Rails caching strategies including fragment caching, low-level caching with Rails.cache, cache keys, and conditional GET. Use when the user asks about caching performance or invalidation in Rails.

This skill should be used when the user asks about "Rails conventions", "Rails best practices", "Rails file structure", "MVC patterns", "naming conventions", "Rails Way", "convention over configuration", "where to put code", "Rails architecture", or needs guidance on organizing Rails application code following established conventions.

This skill should be used when the user asks about "migrations", "database schema", "create_table", "add_column", "remove_column", "add_index", "foreign keys", "db:migrate", "db:rollback", "schema.rb", "change_column", "reversible", "references", "timestamps", or needs guidance on modifying database structure in Rails applications.