Reasoning Agent

Code

1from kern.agent import Agent
2from kern.models.xai import xAI
3from kern.tools.reasoning import ReasoningTools
4from kern.tools.yfinance import YFinanceTools
5
6reasoning_agent = Agent(
7    model=xAI(id="grok-3-beta"),
8    tools=[
9        ReasoningTools(add_instructions=True, add_few_shot=True),
10        YFinanceTools(
11            stock_price=True,
12            analyst_recommendations=True,
13            company_info=True,
14            company_news=True,
15        ),
16    ],
17    instructions=[
18        "Use tables to display data",
19        "Only output the report, no other text",
20    ],
21    markdown=True,
22)
23reasoning_agent.print_response(
24    "Write a report on TSLA",
25    stream=True,
26    show_full_reasoning=True,
27)

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 XAI_API_KEY=xxx

Install dependencies

1uv pip install -U xai yfinance kern-ai

Run Agent

1python cookbook/11_models/xai/reasoning_agent.py