# Google ADK — Official AI Agent Dev Kit > Google's open-source Agent Development Kit for building, evaluating, and deploying AI agents in Python. 18.7K+ stars. Multi-agent, tool use, eval. Apache 2.0. ## Install Save as a script file and run: #!/usr/bin/env python3 """ Google ADK — Official AI Agent Development Kit Google's open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents. 18.7K+ GitHub stars. Quick start: pip install google-adk adk create my_agent adk run my_agent GitHub: https://github.com/google/adk-python License: Apache 2.0 """ # === Quick Use === # pip install google-adk # Then create your first agent: from google.adk.agents import Agent from google.adk.tools import google_search # Define a research agent research_agent = Agent( name="researcher", model="gemini-2.0-flash", description="Research assistant that finds and summarizes information", instruction="""You are a helpful research assistant. Use Google Search to find accurate, up-to-date information. Always cite your sources.""", tools=[google_search], ) # === Multi-Agent Example === from google.adk.agents import Agent, SequentialAgent writer = Agent( name="writer", model="gemini-2.0-flash", instruction="Write clear, concise content based on research findings.", ) # Chain agents: researcher -> writer pipeline = SequentialAgent( name="research_pipeline", sub_agents=[research_agent, writer], ) # === Evaluation === # ADK includes built-in evaluation tools: # adk eval my_agent --test-file tests.json # === Deployment === # Deploy to Google Cloud with one command: # adk deploy cloud_run my_agent --project=my-gcp-project # === Key Features === # - Multi-agent orchestration (Sequential, Parallel, Loop) # - 100+ built-in tools (Search, Code Exec, Vertex AI) # - Session & memory management # - Built-in evaluation framework # - One-command deployment to Cloud Run / Vertex AI # - MCP server compatibility # - Streaming responses # - Custom tool creation print("Google ADK installed. Run: adk create my_agent") --- Source: https://tokrepo.com/en/workflows/40030e5a-7cb2-459f-a427-76923e19e7e2 Author: Script Depot