Rails Concern
This skill automatically adds a Rails concern to your code, streamlining common logic and promoting DRY principles for efficient development.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add dchuk-rails-concern npx -- -y @trustedskills/dchuk-rails-concern
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"dchuk-rails-concern": {
"command": "npx",
"args": [
"-y",
"@trustedskills/dchuk-rails-concern"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill provides a reusable module of code in Ruby on Rails applications, known as a "Concern." Concerns allow you to encapsulate common functionality and easily include it into multiple models without duplicating code. This promotes cleaner, more maintainable Rails projects by sharing logic across different model classes.
When to use it
- Sharing behavior: When several models need the same methods or validations.
- Avoiding duplication: To prevent repeating similar code blocks in multiple model files.
- Organizing complex models: To break down large, monolithic models into smaller, more manageable pieces.
- Adding common functionality: When you want to add a set of features (like scopes or callbacks) to several different models.
Key capabilities
- Provides reusable code modules (Concerns).
- Encapsulates common functionality for Rails models.
- Promotes cleaner and more maintainable codebase.
- Allows easy inclusion of shared logic into multiple models.
Example prompts
- "Create a Concern called
Auditablethat adds timestamps for creation and updates." - "Include the
SoftDeletesConcern in theArticlemodel." - "Generate a Concern to handle common validation rules for user profiles."
Tips & gotchas
- Requires a working Ruby on Rails application.
- Understanding of Rails models and inheritance is helpful.
Tags
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