.NET Code sample for using CLI server mode is incorrect

[zhiyuanliang-ms]

I got the following error when using CLI server mode

Unhandled exception. System.ArgumentException: CliUrl is mutually exclusive with UseStdio and CliPath at GitHub.Copilot.SDK.CopilotClient..ctor(CopilotClientOptions options) at Program.<Main>$(String[] args) in C:\Users\zhiyuanliang\Desktop\AI\CopilotDemo\Program.cs:line 44 at Program.<Main>(String[] args)

The correct code should look like:

await using var client = new CopilotClient(new CopilotClientOptions
{
    CliUrl = $"localhost:{port}",
    UseStdio = false
});

[github-actions]

Thank you for reporting this @zhiyuanliang-ms!

You're correct—the error message clearly shows that CliUrl is mutually exclusive with UseStdio and CliPath. Your suggested fix to explicitly set UseStdio = false when using CliUrl is the right approach.

I've labeled this as a documentation bug for the .NET SDK. The team will review the code sample and update it accordingly.

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