Can I look up documentation for specific methods?

Yes, you can target specific instance or class methods. It uses Rails' standard anchor conventions to link directly to the method's documentation and examples.

Does this skill require external MCP tools?

While it performs fastest with tools like Context7 or Ref, it is designed with a fallback system that uses WebFetch to scrape the official Rails API site if other tools are unavailable.

Which versions of Rails are supported?

The skill officially supports Rails versions 6.1, 7.0, 7.1, and 8.0, and it can automatically detect your project's version to provide the most relevant documentation.

What is the difference between this and rails-docs-search?

This skill focuses on technical API signatures and class references, whereas rails-docs-search is better suited for high-level concepts, guides, and tutorials.

Can I check methods across an entire inheritance chain?

Yes, by using the inherit flag, the skill can look up methods from the specified class as well as its parent classes, such as ApplicationRecord or ActiveRecord::Base.

Rails API Lookup

Name: Rails API Lookup
Author: nbarthel

bynbarthel

0•

学习与文档

Fetches precise API documentation, method signatures, and usage examples directly from official Ruby on Rails reference guides.

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

010 GitHub stars

02Automatic Rails version detection for context-aware documentation

03Multi-source fallback system using Context7, Ref, Tavily, and WebFetch

04Version comparison tool to identify API changes between Rails releases

05Support for inheritance chain lookups to find inherited methods

06Detailed extraction of method signatures, parameters, and return types

使用场景

01Comparing API behavior differences when upgrading from Rails 7.0 to 8.0

02Quickly referencing ActionView helper methods and their generated HTML output

03Verifying the specific parameters and options for complex ActiveRecord queries

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add nbarthel/claudy rails-api-lookup

For use in Claude.ai and ChatGPT

Download Skill