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Build a Frontend for your Microsoft Agent Framework (.NET) Agents with AG-UI

Bonnie on November 13, 2025

In this guide, you will learn how to build a frontend for your Microsoft Agent Framework Agents using AG-UI Protocol and CopilotKit. Microsoft Agen...
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uliyahoo CopilotKit

Great writeup as always Bonnie!

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Bonnie CopilotKit

Thanks, Uli.

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henryjohn21

This tutorial is in .NET but I see also that Microsoft has a Python SDK. When will that be released?

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uliyahoo CopilotKit

next week!

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Bonnie CopilotKit

I think @nathan_tarbert can answer this question better.

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williamhenry21

Freaking cool!

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Bonnie CopilotKit

Thanks, William.

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John Cook

I've been waiting for the Microsoft Agent Framework to drop!

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Bonnie CopilotKit

I am happy to hear that, John.

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Sammy Scolling

I watched the first day of .NET conf and saw a demo of MAF and AG-UI which was pretty cool.

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Bonnie CopilotKit

That sounds awesome, Sammy

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Nathan Tarbert CopilotKit

Wow, amazing Bonnie. I'm going to dive into the Microsoft Agent Framework this weekend.

This is really cool!

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Bonnie CopilotKit

I am happy to hear that, Nathan.

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Athreya aka Maneshwar

That's neat @the_greatbonnie
Loved it!

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Bonnie CopilotKit

I am happy to hear that, Athreya.

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Mathew

Awesome! Been waiting for this. Will try it out this weekend

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Bonnie CopilotKit

That's awesome, Mathew.

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Daniel

Thanks for writing this up!

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Bonnie CopilotKit

You're welcome, Daniel.

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Henry Willz

I'm still a little shaky on how AG-UI fits in. I've heard a lot about it but can you code in AG-UI?
Someone please explain this to me.

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uliyahoo CopilotKit

AG-UI is a protocol, which standardizes how Frontends talk to agentic backends.

You can code against the AG-UI event stream directly, or use an existing AG-UI client or SDK (available in React, Angular, .NET, Kotlin, Java, Rust and more)

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Bonnie CopilotKit

AG-UI is the bridge between the backend and your frontend.

You can learn more about AG-UI (ag-ui.com/)