Google ADK Tutorial: Build Your First AI Agent [2026] (opens in new tab)

Originally published at kunalganglani.com — read it there for inline code, hero image, and live links. Google's Agent Development Kit (ADK) just hit 20,100+ stars on GitHub, making it the fastest-growing out there. With version 2.0 reaching General Availability in June 2026, it's no longer experimental. This Google ADK tutorial takes you from zero to a production-hardened agent in under 10 minutes — and unlike every other beginner guide, I'm covering the error handling, state persistence, and...