Part 1 of 3 · An assistant that works inside your project

Unit 1 · Claude Code

What Claude Code Is

Part one

An assistant that works inside your project

Claude Code is an agentic coding tool from Anthropic. It reads your files, writes changes, and runs commands, right inside a real project on your computer.
A normal chat window only knows what you paste into it. Claude Code can open your actual files and act on them directly.