Google ADK の概要

pip install google-adk && adk create my_agent  (run with: adk run my_agent  or  adk web --port 8000)

from google.adk.agents.llm_agent import Agent

# Mock tool implementation
def get_current_time(city: str) -> dict:
    """Returns the current time in a specified city."""
    return {"status": "success", "city": city, "time": "10:30 AM"}

root_agent = Agent(
    model='gemini-flash-latest',
    name='root_agent',
    description="Tells the current time in a specified city.",
    instruction="You are a helpful assistant that tells the current time in cities. Use the 'get_current_time' tool for this purpose.",
    tools=[get_current_time],
)

npm install @google/adk (inferred from package name; not copied from docs)

import { LlmAgent, GOOGLE_SEARCH } from '@google/adk';

const agent = new LlmAgent({
  name: 'researcher',
  model: 'gemini-flash-latest',
  instruction: 'You help users research topics thoroughly.',
  tools: [GOOGLE_SEARCH],
});