Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

coding agent

An AI tool that edits files and runs commands such as build and test for you.

A coding agent is an AI assistant that changes files and runs tools in a repository in a loop, acting with the user's permissions.