public class TicketTool : ITool
{
    public string Name => "fetch_support_tickets";
    public async Task<string> ExecuteAsync(string input)
    {
        var recent = await dbContext.Tickets
            .Where(t => t.Status == "Open")
            .OrderByDescending(t => t.CreatedAt)
            .Take(10)
            .ToListAsync();
        return JsonConvert.SerializeObject(recent);
    }
}

public class AlertTool : ITool
{
    public string Name => "send_alert";
    public Task<string> ExecuteAsync(string input)
    {
        var alert = JsonConvert.DeserializeObject<AlertMessage>(input);
        return SlackNotifier.SendAsync(alert.Text);
    }
}

var agent = new GptAssistant("gpt-4", apiKey);
agent.AddMemory("This agent triages support tickets and alerts on urgent ones.");
agent.RegisterTool(new TicketTool());
agent.RegisterTool(new AlertTool());

await agent.ExecuteAsync("Check latest support tickets and alert if urgency is high.");