Claude Code Crash Course

Claude Code Crash Course 🚀


[](https://twitter.com/EdenMarco177) [](LICENSE) [](https://www.udemy.com/course/claudecode/?referralCode=JAN-2026)

Welcome to the Claude Code Crash Course! This repository is designed to teach you the fundamentals and advanced concepts of Claude Code, Anthropic's official CLI for AI-powered software development, in a hands-on way.

What is Claude Code? 💡

Claude Code is an interactive command-line interface that brings Claude's AI capabilities directly to your development workflow. It helps with code analysis, bug fixing, feature development, refactoring, and workflow automation - all from your terminal.

How it Works 🤔

This repository uses a unique branch-based structure for learning:

1. Each project/* branch covers a specific Claude Code feature or concept.
2. Within each branch, commits are ordered chronologically. Follow the commits one by one to learn the topic step-by-step.

Simply check out the branch for the topic you want to learn and walk through the commits!

Available Topics (Branches) 📚

Here are the topics currently available:

Branch	Topic	Description
project/custom-commands	🔧 Custom Commands	Learn to extend Claude Code with custom functionality like dad joke generators and automated commits
project/mcp	🔗 MCP Integration	Master Model Context Protocol integration with Context7 MCP server
project/context-engineering-mcp	⚡ Fine-Grained MCP Configuration	Optimize context tokens with task-specific MCP configurations using --mcp-config flag
project/subagents	🤖 Subagents	Build specialized AI agents within Claude Code like Code Comedy Carl
project/hooks-notifications	🎣 Hooks & Notifications	Automate your workflow with sound notifications and event triggers
project/hookhub	🏢 Hook Hub	Advanced hook management and organization systems

*More topics might be added, so keep an eye out!*

Prerequisites 🛠️

Before you start, make sure you have the following installed:

• 🤖 Claude Code CLI
• 📦 Git
• 🐍 Python (version 3.8 or higher)
• 📝 Your favorite text editor/IDE

Getting Started ▶️

1. Clone the repository:

   git clone https://github.com/emarco177/claude-code-crash-course.git
   cd claude-code-crash-course

2. Choose a topic and check out the branch:

   # Example for the custom commands topic
   git checkout project/custom-commands

3. Follow the commits: Use git log --oneline --reverse to see the chronological list of commits for the branch. Then, use git checkout or your Git client to step t