gistfile1.cs

using System.Web.Optimization;
using dotless.Core;

namespace Optimization {

    public class LessMinify : CssMinify {
        public LessMinify() { }
        public override void Process(BundleContext context, BundleResponse response) {
            response.Content = Less.Parse(response.Content);
            base.Process(context, response);
        }
    }

}