A free, complete and interactive course to master Claude, Claude Code, Claude Cowork and the Claude API. 20 modules, 237 lessons, beginner to expert, with a final exam and a diploma. No signup.
A complete path, from your very first prompt to multi-agent orchestration.
Short, concrete lessons, from the absolute basics to expert workflows. Your progress is saved in your browser, nothing to install.
Every lesson ends with a quiz. Workshops, exercises and a conversation simulator turn ideas into reflexes.
Finish the course to unlock a 40-question final exam (80% to pass) and a diploma with a unique, publicly verifiable credential.
Click a module to browse its lessons for free, no account needed.
Finish the course, pass the randomized 40-question exam, and receive a diploma with a unique credential, a QR code and public verification. Free, like everything here.
Start the courseHow the certificate worksSee also: the free certificate and diploma · the glossary · how to learn Claude, compared · what's new (2026)
I am Pierre Bottazzi. I built this entire course solo, end to end: 237 lessons in 3 languages, the app, the design, the SEO, the accounts system. That is what I do for clients too: web apps, mobile apps, AI automation, SEO/GEO. First call is free, no strings attached.
Contact me on LinkedInSee sept-tools.com (industry)See totemsauvage.com (art gallery)One of my inspirations. Loucash (0xloucash) has a gift for always digging up the sharpest AI tips and tricks, then turning them into setups that actually work. With InstallClaw he configures your own OpenClaw AI agent, at your place, in 48 hours.
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