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Code

cookbook/11_models/vertexai/claude/tool_use.py
from agno.agent import Agent
from agno.models.vertexai.claude import Claude
from agno.tools.hackernews import HackerNewsTools

agent = Agent(
    model=Claude(id="claude-sonnet-4@20250514"),
    tools=[HackerNewsTools()],
    markdown=True,
)
agent.print_response("Whats happening in France?")

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Usage

1

Set up your virtual environment

uv venv --python 3.12
source .venv/bin/activate
2

Set your environment variables

export CLOUD_ML_REGION=xxx
export GOOGLE_CLOUD_PROJECT=xxx
3

Authenticate your CLI session

gcloud auth application-default login
You dont need to authenticate your CLI every time.
4

Install dependencies

uv pip install -U anthropic agno
5

Run Agent

python cookbook/11_models/vertexai/claude/tool_use.py