Google ADK CLI: The Fastest Way to Build and Ship AI Agents in 2026 [Guide]

Google's Agent Development Kit just crossed 20,000 stars on GitHub, and the Google ADK CLI is quietly becoming the fastest path from "I have an idea for an agent" to "it's running in production." ADK Python 2.0 hit General Availability with graph workflows, collaborative multi-agent support, and a CLI-first deployment pipeline that makes competing frameworks feel like they were designed by committee. I've been building agents with various frameworks for the past year. LangChain, CrewAI, AutoGen...