spectre.console/examples/Cli/Dynamic/Program.cs

using System.Linq;
using Spectre.Console.Cli;

namespace Dynamic
{
    public static class Program
    {
        public static int Main(string[] args)
        {
            var app = new CommandApp();
            app.Configure(config =>
            {
                foreach(var index in Enumerable.Range(1, 10))
                {
                    config.AddCommand<MyCommand>($"c{index}")
                        .WithDescription($"Prints the number {index}")
                        .WithData(index);
                }
            });

            return app.Run(args);
        }
    }
}