Agent with Tools

Code

1from kern.agent import Agent
2from kern.models.aws import Claude
3from kern.tools.hackernews import HackerNewsTools
4
5agent = Agent(
6    model=Claude(id="us.anthropic.claude-sonnet-4-20250514-v1:0"),
7    tools=[HackerNewsTools()],
8    markdown=True,
9)
10agent.print_response("Whats happening in France?", stream=True)

Usage

Set up your virtual environment

1uv venv --python 3.12
2source .venv/bin/activate

1uv venv --python 3.12
2.venv\Scripts\activate

Set your AWS Credentials

1export AWS_ACCESS_KEY_ID=***
2export AWS_SECRET_ACCESS_KEY=***
3export AWS_REGION=***

Install dependencies

1uv pip install -U anthropic[bedrock] kern-ai

Run Agent

1python tool_use.py