Agent with Tools

Code

1from kern.agent import Agent
2from kern.models.litellm import LiteLLM
3from kern.tools.hackernews import HackerNewsTools
4
5openai_agent = Agent(
6    model=LiteLLM(
7        id="gpt-5-mini",
8        name="LiteLLM",
9    ),
10    markdown=True,
11    tools=[HackerNewsTools()],
12)
13
14# Ask a question that would likely trigger tool use
15openai_agent.print_response("What is 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 LITELLM_API_KEY=xxx

Install dependencies

1uv pip install -U litellm openai kern-ai

Run Agent

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