Claude with Reasoning Tools

Add the following code to your Python file

1from kern.agent import Agent
2from kern.models.anthropic import Claude
3from kern.tools.hackernews import HackerNewsTools
4from kern.tools.reasoning import ReasoningTools
5
6reasoning_agent = Agent(
7    model=Claude(id="claude-sonnet-4-20250514"),
8    tools=[
9        ReasoningTools(add_instructions=True),
10        HackerNewsTools(),
11    ],
12    instructions="Use tables to display data.",
13    markdown=True,
14)
15
16# Semiconductor market analysis example
17reasoning_agent.print_response(
18    """\
19    Analyze the semiconductor market performance focusing on:
20    - NVIDIA (NVDA)
21    - AMD (AMD)
22    - Intel (INTC)
23    - Taiwan Semiconductor (TSM)
24    Compare their market positions, growth metrics, and future outlook.""",
25    stream=True,
26    show_full_reasoning=True,
27)

Set up your virtual environment

1uv venv --python 3.12
2source .venv/bin/activate

1uv venv --python 3.12
2.venv\Scripts\activate

Install dependencies

1uv pip install -U kern-ai anthropic ddgs

Export your Anthropic API key

1export ANTHROPIC_API_KEY="your_anthropic_api_key_here"

1$Env:ANTHROPIC_API_KEY="your_anthropic_api_key_here"

Run Agent

1python claude_reasoning_tools.py