Stop After Tool Call

Stop the agent run immediately after a tool call with @tool(stop_after_tool_call=True).

stop_after_tool_call.py

"""
Stop After Tool Call
=============================

Demonstrates stop after tool call.
"""

from agno.agent import Agent
from agno.tools import tool

# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------


@tool(stop_after_tool_call=True)
def get_answer_to_life_universe_and_everything() -> str:
    """
    This returns the answer to the life, the universe and everything.
    """
    return "42"


agent = Agent(
    tools=[get_answer_to_life_universe_and_everything],
    markdown=True,
)

# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
    agent.print_response("What is the answer to life, the universe and everything?")

Run the Example

1. Set up your virtual environment

   Mac

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

   uv venv --python 3.12
   .venv\Scripts\activate
   
2. Install dependencies

   uv pip install -U agno openai
   
3. Export your OpenAI API key

   Mac/Linux

   export OPENAI_API_KEY="your_openai_api_key_here"
   

   $Env:OPENAI_API_KEY="your_openai_api_key_here"
   
4. Run the example

   Save the code above as stop_after_tool_call.py, then run:

   python stop_after_tool_call.py
   

Full source: cookbook/91_tools/tool_decorator/stop_after_tool_call.py