diff --git a/src/Foundation/NSObject.mac.cs b/src/Foundation/NSObject.mac.cs
index aaad42fa5ec..f359b5f6ddd 100644
--- a/src/Foundation/NSObject.mac.cs
+++ b/src/Foundation/NSObject.mac.cs
@@ -105,6 +105,7 @@ public partial class NSObject {
 		static IntPtr vs = Dlfcn.dlopen (Constants.VideoSubscriberAccountLibrary, 1);
 		static IntPtr un = Dlfcn.dlopen (Constants.UserNotificationsLibrary, 1);
 		static IntPtr il  = Dlfcn.dlopen (Constants.iTunesLibraryLibrary, 1);
+		static IntPtr exl = Dlfcn.dlopen (Constants.ExtensionKitLibrary, 1);
 
 #if !NET
 		[Obsolete ("Use PlatformAssembly for easier code sharing across platforms.")]
diff --git a/src/extensionkit.cs b/src/extensionkit.cs
new file mode 100644
index 00000000000..53f8b9cc611
--- /dev/null
+++ b/src/extensionkit.cs
@@ -0,0 +1,73 @@
+//
+// ExtensionKit.cs: This file describes the API that the generator will produce for ExtensionKit
+//
+// Copyright 2022 Microsoft Corp. All rights reserved
+//
+
+using ObjCRuntime;
+using Foundation;
+
+#if MONOMAC
+using AppKit;
+using UIView = AppKit.NSView;
+using UIViewController = AppKit.NSViewController;
+#else
+using UIKit;
+#endif
+
+#if !NET
+using NativeHandle = System.IntPtr;
+#endif
+
+namespace ExtensionKit {
+	[Mac (13,0), NoiOS, NoMacCatalyst, NoWatch, NoTV]
+	[BaseType (typeof (UIViewController))]
+	interface EXAppExtensionBrowserViewController {
+		[DesignatedInitializer]
+		[Export ("initWithNibName:bundle:")]
+		NativeHandle Constructor ([NullAllowed] string nibNameOrNull, [NullAllowed] NSBundle nibBundleOrNull);
+	}
+
+	interface IEXHostViewControllerDelegate { }
+
+	[Mac (13,0), NoiOS, NoMacCatalyst, NoWatch, NoTV]
+#if NET
+	[Protocol, Model]
+#else
+	[Protocol, Model (AutoGeneratedName = true)]
+#endif
+	[BaseType (typeof (NSObject))]
+	interface EXHostViewControllerDelegate {
+		[Export ("hostViewControllerDidActivate:")]
+		void DidActivate (EXHostViewController viewController);
+
+		[Export ("hostViewControllerWillDeactivate:error:")]
+		void WillDeactivate (EXHostViewController viewController, [NullAllowed] NSError error);
+
+		[Export ("shouldAcceptXPCConnection:")]
+		bool ShouldAcceptXpcConnection (NSXpcConnection connection);
+	}
+
+	// @interface EXHostViewController : NSViewController
+	[Mac (13,0), NoiOS, NoMacCatalyst, NoWatch, NoTV]
+	[BaseType (typeof(UIViewController))]
+	interface EXHostViewController
+	{
+		[DesignatedInitializer]
+		[Export ("initWithNibName:bundle:")]
+		NativeHandle Constructor ([NullAllowed] string nibNameOrNull, [NullAllowed] NSBundle nibBundleOrNull);
+
+		[NullAllowed, Wrap ("WeakDelegate")]
+		IEXHostViewControllerDelegate Delegate { get; set; }
+
+		[NullAllowed, Export ("delegate", ArgumentSemantic.Weak)]
+		NSObject WeakDelegate { get; set; }
+
+		[Export ("placeholderView", ArgumentSemantic.Strong)]
+		UIView PlaceholderView { get; set; }
+
+		[Export ("makeXPCConnectionWithError:")]
+		[return: NullAllowed]
+		NSXpcConnection MakeXpcConnection ([NullAllowed] out NSError error);
+	}
+}
diff --git a/src/frameworks.sources b/src/frameworks.sources
index 08ceef73931..243e952169c 100644
--- a/src/frameworks.sources
+++ b/src/frameworks.sources
@@ -2020,6 +2020,7 @@ MACOS_FRAMEWORKS =          \
 	CoreWlan                \
 	EventKit                \
 	ExecutionPolicy		\
+	ExtensionKit		\
 	ExternalAccessory 	\
 	FileProvider	\
 	FileProviderUI	\
diff --git a/tests/xtro-sharpie/api-annotations-dotnet/macOS-ExtensionKit.todo b/tests/xtro-sharpie/api-annotations-dotnet/macOS-ExtensionKit.todo
deleted file mode 100644
index 27ee1f23753..00000000000
--- a/tests/xtro-sharpie/api-annotations-dotnet/macOS-ExtensionKit.todo
+++ /dev/null
@@ -1,8 +0,0 @@
-!missing-protocol! EXHostViewControllerDelegate not bound
-!missing-selector! EXHostViewController::delegate not bound
-!missing-selector! EXHostViewController::makeXPCConnectionWithError: not bound
-!missing-selector! EXHostViewController::placeholderView not bound
-!missing-selector! EXHostViewController::setDelegate: not bound
-!missing-selector! EXHostViewController::setPlaceholderView: not bound
-!missing-type! EXAppExtensionBrowserViewController not bound
-!missing-type! EXHostViewController not bound
diff --git a/tests/xtro-sharpie/macOS-ExtensionKit.todo b/tests/xtro-sharpie/macOS-ExtensionKit.todo
deleted file mode 100644
index 27ee1f23753..00000000000
--- a/tests/xtro-sharpie/macOS-ExtensionKit.todo
+++ /dev/null
@@ -1,8 +0,0 @@
-!missing-protocol! EXHostViewControllerDelegate not bound
-!missing-selector! EXHostViewController::delegate not bound
-!missing-selector! EXHostViewController::makeXPCConnectionWithError: not bound
-!missing-selector! EXHostViewController::placeholderView not bound
-!missing-selector! EXHostViewController::setDelegate: not bound
-!missing-selector! EXHostViewController::setPlaceholderView: not bound
-!missing-type! EXAppExtensionBrowserViewController not bound
-!missing-type! EXHostViewController not bound
diff --git a/tools/common/Frameworks.cs b/tools/common/Frameworks.cs
index 7c57c6b889e..c59f20d3808 100644
--- a/tools/common/Frameworks.cs
+++ b/tools/common/Frameworks.cs
@@ -279,6 +279,7 @@ public static Frameworks MacFrameworks {
 					{ "BackgroundAssets", "BackgroundAssets", 13,0 },
 					{ "HealthKit", "HealthKit", 13,0 },
 					{ "SharedWithYouCore", "SharedWithYouCore", 13, 0 },
+					{ "ExtensionKit", "ExtensionKit", 13,0 },
 				};
 			}
 			return mac_frameworks;