diff --git a/src/Ocelot/DependencyInjection/IOcelotBuilder.cs b/src/Ocelot/DependencyInjection/IOcelotBuilder.cs
index 5e22f8f6..34841c80 100644
--- a/src/Ocelot/DependencyInjection/IOcelotBuilder.cs
+++ b/src/Ocelot/DependencyInjection/IOcelotBuilder.cs
@@ -12,6 +12,8 @@ namespace Ocelot.DependencyInjection
 
         IConfiguration Configuration { get; }
 
+        IMvcCoreBuilder MvcCoreBuilder { get; }
+
         IOcelotBuilder AddDelegatingHandler<T>(bool global = false)
             where T : DelegatingHandler;
 
diff --git a/src/Ocelot/DependencyInjection/OcelotBuilder.cs b/src/Ocelot/DependencyInjection/OcelotBuilder.cs
index 753bf0e0..29719ef1 100644
--- a/src/Ocelot/DependencyInjection/OcelotBuilder.cs
+++ b/src/Ocelot/DependencyInjection/OcelotBuilder.cs
@@ -42,6 +42,7 @@ namespace Ocelot.DependencyInjection
     {
         public IServiceCollection Services { get; }
         public IConfiguration Configuration { get; }
+        public IMvcCoreBuilder MvcCoreBuilder { get; }
 
         public OcelotBuilder(IServiceCollection services, IConfiguration configurationRoot)
         {
@@ -133,17 +134,18 @@ namespace Ocelot.DependencyInjection
             //add asp.net services..
             var assembly = typeof(FileConfigurationController).GetTypeInfo().Assembly;
 
-            Services.AddMvcCore()
-                .AddApplicationPart(assembly)
-                .AddControllersAsServices()
-                .AddAuthorization()
-                .AddJsonFormatters();
+            this.MvcCoreBuilder = Services.AddMvcCore()
+                  .AddApplicationPart(assembly)
+                  .AddControllersAsServices()
+                  .AddAuthorization()
+                  .AddJsonFormatters();
 
             Services.AddLogging();
             Services.AddMiddlewareAnalysis();
             Services.AddWebEncoders();
         }
 
+
         public IOcelotBuilder AddSingletonDefinedAggregator<T>()
             where T : class, IDefinedAggregator
         {
@@ -170,7 +172,7 @@ namespace Ocelot.DependencyInjection
             if(global)
             {
                 Services.AddTransient<THandler>();
-                Services.AddTransient<GlobalDelegatingHandler>(s => {
+                Services.AddTransient<GlobalDelegatingHandler>(s =>{
                     var service = s.GetService<THandler>();
                     return new GlobalDelegatingHandler(service);
                 });