Claude Code from Zero

Anthropic's coding agent, end to end: install it, point it at a project, and get real work done.

Exam

Lessons done

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Streak

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Rank

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— XP

About 2 h 14 min left

⌘K — search the whole course: commands and glossary terms too.

Level 0. Install and first run

Getting the agent onto your machine

0/4

Level 1. How it sees your project

Context, files, and what it can actually read

0/4

Level 2. Real work

Edits, refactors, and finding a bug

0/4

Level 3. Making it yours

CLAUDE.md, slash commands, MCP tools

0/4

Level 4. Ship something

A whole small project, start to finish

0/4

We recommend taking these first: Terminal Basics.

What's nextWhich AI Coding Tool?Claude Code, Codex, Gemini CLI, Cursor, Grok, Kimi — what each is actually good at, and how to choose without burning a month.

More in this track: The tools

Which AI Coding Tool?Claude Code, Codex, Gemini CLI, Cursor, Grok, Kimi — what each is actually good at, and how to choose without burning a month.

Frequently asked questions

Is "Claude Code from Zero" free?

Yes, the whole course is free — no ads, no paywall, no hidden charges. You can support the project if you want to, but it changes nothing about your access to the lessons.

Do I need to install anything or sign up?

No. Everything runs in your browser, and your progress is saved in this browser. To move it to another device, download a backup from settings.

Who is this course for?

After Terminal Basics. It builds up from the simplest possible starting point, so no prior experience is assumed.

How many lessons is it, and how long will it take?

20 lessons. Go at your own pace — one short lesson a day, or several in a sitting.

Is there a certificate?

Yes. Finish the course and pass the final exam, and you unlock a personalized certificate you can share.