Build an AI Agent Team with Google's ADK (Agent Development Kit) | Step-by-Step Tutorial

Ready to build your own team of intelligent AI agents? In this tutorial, we dive deep into the Agent Development Kit (ADK) by Google—a powerful Python framework designed to help you build multi-agent, LLM-powered applications.

You’ll go from setting up your environment to building a fully functioning Weather Bot made up of multiple agents—each one specialized, collaborative, and smart. Whether you’re using OpenAI, Google Gemini, Anthropic Claude, or other LLMs via LiteLLM, this tutorial shows you how to:

Build tools your agents can use
Set up multi-agent collaboration and delegation
Manage agent memory using SessionState
Implement safety guardrails with before_model_callback and before_tool_callback
Use async interactions for more responsive agent experiences
Integrate multiple models in one system with LiteLLM
Route user queries automatically to the right agent

By the end, you’ll have a fully operational team of AI agents that can greet users, deliver weather updates, remember conversations, and stay within defined safety policies.

Whether you're a hobbyist, student, or developer, this is the best place to start building advanced AI-powered apps.


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