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"""
Member Tool Hooks
=================
Demonstrates permission-aware tool hooks that gate member delegation.
"""
from typing import Any, Callable
from agno.agent import Agent
from agno.models.openai import OpenAIResponses
from agno.run import RunContext
from agno.team import Team
# ---------------------------------------------------------------------------
# Setup
# ---------------------------------------------------------------------------
CUSTOMER_PERMISSIONS = {
"cust_1001": ["view", "edit"],
"cust_1002": ["view"],
}
CUSTOMER_MEDICAL_DATA = {
"cust_1001": {
"name": "John Doe",
"age": 30,
"medical_history": "Asthma diagnosed at age 12. Appendectomy at age 22.",
"medications": "Albuterol inhaler as needed",
"allergies": "Penicillin",
"family_history": "Father: hypertension; Mother: type 2 diabetes",
"current_medications": "Albuterol inhaler",
},
"cust_1002": {
"name": "Jane Doe",
"age": 25,
"medical_history": "Seasonal allergies. Fractured left wrist at age 16.",
"medications": "Cetirizine during spring",
"allergies": "Peanuts, latex",
"family_history": "Mother: breast cancer; Sibling: asthma",
"current_medications": "Cetirizine",
},
}
def get_medical_data(customer_id: str) -> dict[str, Any]:
"""Get medical data for a customer."""
return CUSTOMER_MEDICAL_DATA[customer_id]
def set_current_medications(customer_id: str, medications: str) -> dict[str, Any]:
"""Set the current medications for a customer."""
CUSTOMER_MEDICAL_DATA[customer_id]["current_medications"] = medications
return CUSTOMER_MEDICAL_DATA[customer_id]
def set_family_history(customer_id: str, family_history: str) -> dict[str, Any]:
"""Set the family history for a customer."""
CUSTOMER_MEDICAL_DATA[customer_id]["family_history"] = family_history
return CUSTOMER_MEDICAL_DATA[customer_id]
def member_input_hook(
function_name: str,
function_call: Callable,
arguments: dict[str, Any],
run_context: RunContext,
):
"""Verify user permissions before delegating to member agents."""
if run_context.session_state is None:
run_context.session_state = {}
if function_name == "delegate_task_to_member":
member_id = arguments.get("member_id")
customer_id = run_context.session_state.get("current_user_id")
if customer_id not in CUSTOMER_PERMISSIONS:
raise Exception("Customer not found")
if (
member_id == "medical-writer-agent"
and "edit" not in CUSTOMER_PERMISSIONS[customer_id]
):
raise Exception("Customer does not have edit permissions")
if (
member_id == "medical-reader-agent"
and "view" not in CUSTOMER_PERMISSIONS[customer_id]
):
raise Exception("Customer does not have view permissions")
result = function_call(**arguments)
return result
# ---------------------------------------------------------------------------
# Create Members
# ---------------------------------------------------------------------------
medical_reader_agent = Agent(
name="Medical Reader Agent",
id="medical-reader-agent",
role="Read medical data",
model=OpenAIResponses(id="gpt-5.2"),
tools=[get_medical_data],
instructions=[
"Read medical data",
],
)
medical_writer_agent = Agent(
name="Medical Writer Agent",
id="medical-writer-agent",
role="Write medical data",
model=OpenAIResponses(id="gpt-5.2"),
tools=[set_current_medications, set_family_history],
instructions=[
"Write medical data",
],
)
# ---------------------------------------------------------------------------
# Create Team
# ---------------------------------------------------------------------------
medical_team = Team(
name="Company Info Team",
model=OpenAIResponses(id="gpt-5.2"),
members=[medical_reader_agent, medical_writer_agent],
markdown=True,
instructions=[
"You are a team that has access to medical data.",
"Answer user questions about the medical data.",
"Current user ID is {current_user_id}",
],
show_members_responses=True,
respond_directly=True,
tool_hooks=[member_input_hook],
)
# ---------------------------------------------------------------------------
# Run Team
# ---------------------------------------------------------------------------
if __name__ == "__main__":
medical_team.print_response(
"What are my current medications?",
user_id="cust_1001",
stream=True,
)
medical_team.print_response(
"Update my current medications to 'Cetirizine'",
user_id="cust_1001",
stream=True,
)
medical_team.print_response(
"What are my family history?",
user_id="cust_1002",
stream=True,
)
medical_team.print_response(
"Update my family history to 'Father: hypertension'",
user_id="cust_1002",
stream=True,
)
Run the Example
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# Clone and setup repo
git clone https://github.com/agno-agi/agno.git
cd agno/cookbook/03_teams/tools
# Create and activate virtual environment
./scripts/demo_setup.sh
source .venvs/demo/bin/activate
python member_tool_hooks.py