Introduction to Google ADK

Google ADK

Google's Agent Development Kit, built around Gemini.

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ADK is Google's code-first toolkit for building agents. You write a normal Python file, define one agent object, and the toolkit gives you a CLI and a browser UI to talk to it.

What makes it different

Two things. It ships a dev UI, so you get a chat window and a trace of every step without building one. And it is built to deploy, so the agent you run locally moves onto Vertex AI without a rewrite.

Reach for it when

• You are on Gemini or already in Google Cloud
• You want a UI to poke at the agent while you build it
• You need evaluation and deployment in the same toolkit

Look elsewhere when

• You need to stay provider neutral
• You are not deploying to Google Cloud
• You want fine grained control of the loop. That is LangGraph