CopilitCli.cs

#:package GitHub.Copilot.SDK@0.1.26

using GitHub.Copilot.SDK;
using Microsoft.Extensions.AI;
using System.ComponentModel;

// Create and start client
await using var client = new CopilotClient(new() { Cwd = Environment.CurrentDirectory });
await client.StartAsync();

// Create a session
await using var session = await client.CreateSessionAsync(new SessionConfig
{
    Model = "gemini-3-flash-preview",  // Your deployment name
    Provider = new ProviderConfig
    {
        Type = "openai",
        BaseUrl = "https://generativelanguage.googleapis.com/v1beta/openai/",
        WireApi = "completions",  // Use "completions" for older models
        ApiKey = "TBD"
    },
    Tools = [
        AIFunctionFactory.Create(
            async ([Description("Issue identifier")] string id) => "hard issue from .NET process",
            "lookup_issue",
            "Fetch issue details from our tracker"),
    ],
    WorkingDirectory = Environment.CurrentDirectory
});

Console.WriteLine("Start to chat");

var (left, top) = Console.GetCursorPosition();
Console.SetCursorPosition(left, top + 10);

Console.WriteLine("Press any key to send another message, or Ctrl+C to exit.");

Console.SetCursorPosition(left, top);

while (true)
{
    var prompt = Console.ReadLine();
    // Send a message and wait for completion
    var response = await session.SendAndWaitAsync(new MessageOptions { Prompt = prompt });
    Console.WriteLine(response?.Data.Content);
}