This post is my submission for DEV Education Track: Build Multi-Agent Systems with ADK . What I Built A course-creation service with a built-in quality gate. You give it a topic, and roughly two minutes later you get a structured course module — researched, reviewed, and only then written. The interesting part is the reviewed . Single-agent generation pipelines happily write authoritative-sounding courses from whatever their first research pass dredged up. This system puts ...