Rails API Lookup

关于

Rails API Lookup is a specialized skill for Claude Code that streamlines the development process by providing instant access to official Ruby on Rails API documentation. It automatically detects your project's Rails version and retrieves detailed technical information—including method signatures, parameter definitions, return values, and code examples—for core classes like ActiveRecord, ActionController, and ActiveSupport. By utilizing a multi-layered fallback system including Context7, Ref, and WebFetch, it ensures developers receive accurate, version-specific reference material without ever leaving their terminal environment.

主要功能

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• Automatic Rails version detection for context-aware documentation
• Multi-source fallback system using Context7, Ref, Tavily, and WebFetch
• Version comparison tool to identify API changes between Rails releases
• Support for inheritance chain lookups to find inherited methods
• Detailed extraction of method signatures, parameters, and return types

使用场景

• Comparing API behavior differences when upgrading from Rails 7.0 to 8.0
• Quickly referencing ActionView helper methods and their generated HTML output
• Verifying the specific parameters and options for complex ActiveRecord queries