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Claude Code is an agentic coding tool that understands your codebase, edits your files, runs commands, and integrates with your existing developer tools

Claude Code is different from typical chat applications. Understanding how it works under the hood will help you use it more effectively

Claude Code is simple to install whether you want to use it in your terminal, on the web, or in your IDE

You talk to Claude Code like you would any AI assistant. When entering your prompt, here are some things to consider

If you take one thing away from this course, let it be this workflow: Explore, Plan, Code, and Commit

Context is Claude's working memory. Every file it reads, every command it runs, every message you send — it all takes up space in the context window

When you give Claude Code a task to complete in your codebase, Claude will often report back in a succinct way

One of the most useful features in Claude Code is the CLAUDE.md file. It gives Claude Code persistent memory about your project

Claude can delegate tasks to subagents that break them down and run component tasks in parallel, improving your context management

A skill is a markdown file that teaches Claude how to do something once, and Claude applies that knowledge automatically whenever it's relevant

Model Context Protocol (MCP) is an open standard that lets Claude Code connect to external tools and data sources

Hooks let you run commands at specific points in Claude Code's lifecycle