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Remove sources from agent's responses

Matej Jakubčík 195 Reputation points
2025-11-18T07:52:59.8966667+00:00

Hi,

I am developing an agent in Copilot Studio and I would like to remove the option for the agen't to show sources in his answers. Is this possible to do in Copilot Studio? Currently when the question is answered by the main agent I was able to remove citations with some weird work-around with Substitute method in Fx. However when the question gets answered by the child agent it sometimes display sources aswell. The response from child agent doesnt even trigger topic with AI response generated as trigger so I don't know how should I catch the response in parent Agent to process it further. Do you have any idea how to do so?

Microsoft Copilot | Other

Answer accepted by question author

Karan Shewale 2,505 Reputation points Microsoft External Staff
2025-11-19T12:40:59.7333333+00:00

Hi Matej Jakubčík ,

At the moment, Copilot Studio does not provide any supported setting to disable or suppress source links (citations) in responses generated by the agent itself or by connected child agents. Citations are part of the platform’s built-in safety and transparency layer, and Copilot Studio does not expose a toggle to turn them off.

You can remove or rewrite citations only when the response flows through a topic—because you can then process the output using Power Fx or custom logic. However, when a child agent returns an AI-generated response directly to the parent, it often bypasses topic triggers, which means you cannot intercept and modify the message before it’s sent back to the user. This is why your workaround works for the main agent but not for the child agent.

Current limitations: • No UI or configuration exists to disable citations. • Child-agent responses may skip topic triggers, so you cannot “catch” the message in the parent. • Power Fx transformations only apply when the response hits a topic-level “AI response generated” event.

Thanks,

Karan Shewale.

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