Usage
Basic Agent
Run a Claude agent through Vertex AI and print its response.
Create an Agno agent backed by Claude on Vertex AI.
Code
from agno.agent import Agent, RunOutput # noqa
from agno.models.vertexai.claude import Claude
agent = Agent(model=Claude(id="claude-sonnet-4-6"), markdown=True)
# Get the response in a variable
# run: RunOutput = agent.run("Share a 2 sentence horror story")
# print(run.content)
# Print the response in the terminal
agent.print_response("Share a 2 sentence horror story")Usage
Complete the Vertex project, model enablement, permissions, and CLI prerequisites first. Use a region that serves Sonnet 4.6.
Set up your virtual environment
uv venv --python 3.12
source .venv/bin/activateSet your environment variables
export CLOUD_ML_REGION="us-east5"
export GOOGLE_CLOUD_PROJECT=xxxAuthenticate your CLI session
gcloud auth application-default loginYou don't need to authenticate your CLI every time.
Install dependencies
uv pip install -U 'anthropic[vertex]' agnoRun Agent
Save the code above as basic.py, then run:
python basic.py