explain

Analyze Rails source code and execution paths to explain logic and architecture.

17|1|Updated Mar 13, 2026

Search Tags:#debugging #documentation #code-analysis #ruby #rails #system-design

Ready to run

npx skills add https://github.com/thoughtbot/rails-consultant --skill explain-thoughtbot

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: explain
Source: https://github.com/thoughtbot/rails-consultant/tree/main/skills/explain
Command: npx skills add https://github.com/thoughtbot/rails-consultant --skill explain-thoughtbot

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill removes the cognitive load of navigating complex Rails codebases by providing clear, context-aware explanations of specific code blocks or entire user-facing system flows.

Core Features & Use Cases

Code Deep-Dives: Get plain-English breakdowns of classes, methods, or files, including the "why" behind recent changes found in git history.
System Flow Mapping: Visualize complex user actions like password resets or checkout processes with auto-generated flow diagrams and summary analysis.
Use Case: When onboarding to a new project, use this to understand how a specific background job or service object interacts with the rest of the system without manually tracing every file.

Quick Start

Use the explain skill to provide a detailed breakdown of the logic and side effects for the user authentication flow.

Frequently Asked Questions about explain

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I understand complex Rails code and system execution paths?▼

To understand complex Rails code, you can analyze source files, git history, and routing structures to map dependencies and side effects. This approach translates intricate codebases into plain-English explanations of logic and architecture for rapid comprehension.

What is the best way to document a Rails user authentication flow?▼

Documenting a Rails user authentication flow involves mapping system execution paths to visualize user actions. By inspecting file contents and routing structures, you can generate flow diagrams and summary analysis that explain the feature lifecycle.

How do I trace dependencies and side effects when onboarding to a new Rails project?▼

Tracing dependencies in a new Rails project requires inspecting service objects and background jobs to see how they interact. Analyzing git history alongside file contents reveals the reasoning behind recent changes and maps system side effects.

Can I get plain-English explanations of why specific Ruby methods were changed?▼

Yes, getting plain-English explanations of Ruby method changes is possible by inspecting git history. This process reveals the context and reasoning behind recent code modifications, removing the cognitive load of manually tracing every file.

Does this code analysis approach work for visualizing Rails checkout processes?▼

Yes, this code analysis approach works for visualizing Rails checkout processes by mapping complex user actions. It inspects system execution paths to auto-generate flow diagrams and summary analysis of the entire feature lifecycle.