dynamic_tools.py
"""
Dynamic Tools
=============================
Dynamic Tools.
"""
from datetime import datetime, timezone
from agno.agent import Agent
from agno.models.openai import OpenAIResponses
from agno.run import RunContext
def get_runtime_tools(run_context: RunContext):
"""Return tools dynamically based on session state."""
def get_time() -> str:
return datetime.now(timezone.utc).isoformat()
def get_project() -> str:
project = (run_context.session_state or {}).get("project", "unknown")
return f"Current project: {project}"
return [get_time, get_project]
# ---------------------------------------------------------------------------
# Create Agent
# ---------------------------------------------------------------------------
agent = Agent(
name="Dynamic Tools Agent",
model=OpenAIResponses(id="gpt-5.2"),
tools=get_runtime_tools,
)
# ---------------------------------------------------------------------------
# Run Agent
# ---------------------------------------------------------------------------
if __name__ == "__main__":
agent.print_response(
"Use available tools to report current context.",
session_state={"project": "cookbook-restructure"},
stream=True,
)
Run the Example
1
Set up your virtual environment
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
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
dynamic_tools.py, then run:python dynamic_tools.py