pip install fact0-sdk pyautogen

import fact0
from autogen import ConversableAgent, GroupChat, GroupChatManager

client = fact0.Client(api_key="f0_live_...")

planner = ConversableAgent("planner", llm_config={"model": "gpt-4o"})
coder = ConversableAgent("coder",   llm_config={"model": "gpt-4o"})

group = GroupChat(agents=[planner, coder], messages=[], max_round=10)
manager = GroupChatManager(groupchat=group, llm_config={"model": "gpt-4o"})

with client.telemetry.execution(agent_id="autogen.refactor") as ex:
    def hook(recipient, messages, sender, config):
        with ex.span(f"{sender.name}->{recipient.name}", span_type="MODEL_INVOCATION") as span:
            span.complete(output={"last": messages[-1]["content"][:500]})
        return False, None  # continue normal flow

    for a in [planner, coder, manager]:
        a.register_reply([ConversableAgent, None], hook, position=0)

    planner.initiate_chat(manager, message="Refactor invoice service")

def on_tool_call(name: str, args: dict):
    client.audit.log(
        actor={"id": "agent.coder", "type": "agent"},
        action=f"tool.{name}",
        resource={"id": args.get("target", "n/a"), "type": "code"},
        outcome="success",
        metadata=args,
    )