Anthropic Dropped 13 Free Courses — I Broke Down Every Single One

Anthropic quietly put 13 courses on a platform called Skilljar. All free. Certificates included. You don’t even need an Anthropic account — just sign up with your email and you’re in. But nobody has time for 13 courses. I certainly didn’t. So I went through every curriculum, scraped every public summary, review, and GitHub note I could find, and distilled the whole thing. The verdict: only 5 matter if you’re a developer. The rest are for educators, students, and nonprofits. The 5 You Should Take Claude Code in Action 21 lessons, about an hour. If you use Claude Code in your terminal, this is priority number one. It covers persisting memory across sessions with CLAUDE.md, turning repetitive workflows into slash commands, auto-formatting files with Hooks, connecting GitHub and databases via MCP servers, and embedding Claude Code into your own tools with the SDK. One course, and your Claude Code game completely changes. Building with the Claude API 16 lessons, the most comprehensive one.