explain-code

Explain code with plain-language walkthroughs and ASCII diagrams.

2|1|Updated Apr 22, 2026
One-click install
npx skills add https://github.com/pytholic/claude-skills --skill explain-code-pytholic
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: explain-code
Source: https://github.com/pytholic/claude-skills/tree/main/explain-code
Command: npx skills add https://github.com/pytholic/claude-skills --skill explain-code-pytholic

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you understand how code works without getting lost in raw implementation details, making it easier to learn, debug, and confidently modify unfamiliar code.

Core Features & Use Cases

  • Plain-Language Explanations: Turns functions, classes, modules, and subsystems into clear explanations matched to the reader's level.
  • Visual Thinking: Uses ASCII diagrams, analogies, and step-by-step walkthroughs to reveal data flow, dependencies, and control flow.
  • Teaching-Oriented Analysis: Focuses on why the code behaves the way it does, with gotchas and subtleties called out when relevant.
  • Use Case: A developer asks why a module behaves a certain way, and this Skill breaks it down into a concise summary, a diagram, and the key execution steps.

Quick Start

Ask me to explain the selected code, function, or module in plain language with a walkthrough and diagram.

Frequently Asked Questions about explain-code

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

FAQPage Schema
How do I understand how source code works without reading every line?

To understand source code without reading every line, request a plain-language walkthrough that converts functions and modules into concise summaries, visual ASCII diagrams, and step-by-step execution flows.

What is the best way to explain complex module architecture to my team?

The best way to explain complex module architecture is using visual diagrams and analogies that map out data flow, dependencies, and control flow, highlighting key execution steps and subtleties for clear team communication.

How do I get a step-by-step code walkthrough for debugging unfamiliar functions?

For debugging unfamiliar functions, a stepwise code walkthrough reads the relevant source, explains why the code behaves a certain way, and points out hidden gotchas to reveal the root cause of the issue.

Can I generate visual diagrams of data flow and control flow from raw source code?

Yes, you can generate visual diagrams of data flow and control flow from raw source code by applying a teaching-oriented analysis that translates implementation details into ASCII diagrams and plain-language explanations.

Does this approach work for explaining both small functions and large subsystems?

Yes, this approach works for explaining both small functions and large subsystems by adjusting the plain-language explanation to match the reader's level while maintaining the underlying architectural and dependency context.

Why does my code behave differently than expected during execution?

Code behaves differently than expected during execution due to hidden subtleties or gotchas; a teaching-oriented analysis reads the source to explain the exact control flow and pinpoint why the logic diverges.