David Fowler posted a tweet https://x.com/davidfowl/status/1984387278656209003 of Tim Heuer’s https://x.com/timheuer/status/1984328591346372743

From Wendy Breiding’s dev blog https://devblogs.microsoft.com/dotnet/introducing-custom-agents-for-dotnet-developers-csharp-expert-winforms-expert/

Copilot Custom Agents,

Agents tailored specifically for .NET developers: C# Expert and WinForms Expert.

Getting Started

To use these agents:

  1. Download the CSharpExpert.agent.md and WinFormsExpert.agent.md files at @github/awesome-copilot.
  2. Add these markdown files to your repo’s .github/agents folder.