Lesson 2 · Foundation · Last updated 2026-05-12 · By Dheeraj Sharma

The Claude Code Extension Stack: Commands, Skills, Hooks, and Agents Explained

Learn Claude Code 5 extension types - CLAUDE.md, commands, skills, hooks, agents. Build a memory system, 3 custom commands, and portable skills.

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In this lesson

Learn Claude Code 5 extension types - CLAUDE.md, commands, skills, hooks, agents. Build a memory system, 3 custom commands, and portable skills.

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This lesson is part of the Claude Code Masterclass: Build AI Systems Without Writing Code series, published on Substack. Open the link below to read the full walkthrough, see the screenshots, and grab any templates or downloads that go with it.

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Frequently Asked Questions

No. Claude Code accepts plain English instructions and writes the code for you. This course is designed for non-developers who want to build real systems.

A Claude Pro, Max, Teams, or Enterprise subscription ($20+/month) and a terminal (Mac Terminal, Windows PowerShell, or Linux terminal). That's it.

The Claude Systems Masterclass teaches Claude Projects (browser-based AI assistants). This course teaches Claude Code (terminal-based AI coding agent). Claude Code can build software, automate tasks, and create tools that run independently.

Dheeraj Sharma

AI Systems Builder

Creator of the n8n Zero to Hero course (42 lessons, 31+ hours). I help solopreneurs build AI systems that grow revenue without growing workload.

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