Agent with Tools

Code

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

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 API key

1export ANTHROPIC_API_KEY=xxx

Install dependencies

1uv pip install -U anthropic kern-ai

Run Agent

1python cookbook/11_models/anthropic/tool_use.py