Passing <class 'agno.models.message.Message'> to Team.run passes full object to llm provider

General
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1

Hi,

Passing List[Message] to team.run adds the full object print as ‘user’ message in to llm API.

Im migrating to v2 not sure if this was before also. I think in v1 passing a list to Team.run was not possible.

Is this expected behaviour? Seems not nice, also not sure now how we can pass multiple messages and distinguish between assistant and user message.

I see this now when inspecting the openai logs

[Message(role=‘user’, content=[{‘type’: ‘text’, ‘text’: ‘hi’}], name=None, tool_call_id=None, tool_calls=None, audio=None, images=None, videos=None, files=None, audio_output=None, image_output=None, video_output=None, redacted_reasoning_content=None, provider_data=None, citations=None, reasoning_content=None, tool_name=None, tool_args=None, tool_call_error=None, stop_after_tool_call=False, add_to_agent_memory=True, from_history=False, metrics=Metrics(input_tokens=0, output_tokens=0, total_tokens=0, audio_input_tokens=0, audio_output_tokens=0, audio_total_tokens=0, cache_read_tokens=0, cache_write_tokens=0, reasoning_tokens=0, timer=None, time_to_first_token=None, duration=None, provider_metrics=None, additional_metrics=None), references=None, created_at=1757682929)]

Is this a bug?

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Hi @thomas, thanks for reaching out and supporting Agno. I’ve shared this with the team, we’re working through all requests one by one and will get back to you soon.If it’s urgent, please let us know. We appreciate your patience!

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Hi @thomas !

Message is an Agno class. At runtime, the Message is converted to the model specific format. For OpenAI, that would look something like: {"role": "system", "content": "You are a helpful assistant."},

Can you please share how you are inspecting OpenAI logs?

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Hi @yash thanks for the reply. I since postponed the migration to v2 so it might be that im missing something.

But im directly inspecting in openai console.

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This is what I think (could be wrong):

Here in teams documentation for run method Team - Agno , it says input can take List[Message].

But in teams.py in _get_user_message

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the List[Message’] is not handled and converts the list to string of objects.

If i pass a single Message it works as expected.

Thanks for looking into it.

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Hey @thomas

This was fixed in a recent release! I can see that now passing a list of Messages is handled as expected by the Team.

Please, update agno and don’t hesitate to reach out again if you face any other problem, we’ll be here to help!

pip install -U agno

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