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Bring Your Own Model to the GitHub Copilot SDK with C#

Hi,

I know, I keep coming back to the same theme on this blog: agent harnesses. In Build Your Own AI Agent Harness in C# we built one from scratch. In From dotnet run to Foundry Hosted Agent in 3 lines of C# we took an agent and hosted it. Today we use a harness we do not have to build at all: the one GitHub already ships, through the GitHub Copilot SDK.

One of the most popular questions we received during the Let’s Learn GitHub Copilot SDK sessions was:

“Can I use the Copilot SDK with my own model deployment?”

The short answer is yes.

The longer answer is, the GitHub…

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