Agent with Tools

Make sure to start the proxy server:

1litellm --model gpt-5-mini --host 127.0.0.1 --port 4000

Code

1from kern.agent import Agent
2from kern.models.litellm import LiteLLMOpenAI
3from kern.tools.hackernews import HackerNewsTools
4
5agent = Agent(
6    model=LiteLLMOpenAI(id="gpt-5-mini"),
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 LITELLM_API_KEY=xxx

Install dependencies

1uv pip install -U litellm[proxy] openai kern-ai

Start the proxy server

1litellm --model gpt-5-mini --host 127.0.0.1 --port 4000

Run Agent

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