Agent with Tools

Code

1from kern.agent import Agent
2from kern.models.openai import OpenAIResponses
3from kern.tools.hackernews import HackerNewsTools
4
5agent = Agent(
6 model=OpenAIResponses(id="gpt-5.2"),
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 API key

1export OPENAI_API_KEY=xxx

Install dependencies

1uv pip install -U openai kern-ai

Run Agent

1python cookbook/11_models/openai/chat/tool_use.py