diff --git a/Packages/nadena.dev.modular-avatar/Editor/Menu/AddOutfitMenu.cs b/Packages/nadena.dev.modular-avatar/Editor/Menu/AddOutfitMenu.cs
new file mode 100644
index 00000000..fba7a952
--- /dev/null
+++ b/Packages/nadena.dev.modular-avatar/Editor/Menu/AddOutfitMenu.cs
@@ -0,0 +1,70 @@
+using nadena.dev.modular_avatar.core;
+using nadena.dev.modular_avatar.core.editor;
+using UnityEditor;
+using UnityEngine;
+using VRC.SDK3.Avatars.Components;
+
+namespace nadena.dev.modular_avatar.core.editor
+{
+    internal static class AddOutfitMenu
+    {
+        private static readonly GameObject PREFAB_OUTFIT_MENU =
+            Util.LoadAssetByGuid<GameObject>("2097228906bdff44fb40a3d9f39cf599");
+
+        private static readonly string PATH_OUTFIT_MENU = AssetDatabase.GetAssetPath(PREFAB_OUTFIT_MENU);
+
+        [MenuItem("GameObject/ModularAvatar/Add outfit menu", false, 49)]
+        internal static void CommandAddOutfitMenu(MenuCommand menuCommand)
+        {
+            if (!(menuCommand.context is GameObject gameObj)) return;
+            var avatar = gameObj.GetComponent<VRCAvatarDescriptor>();
+            if (avatar == null || avatar.expressionsMenu == null) return;
+
+            // Do we have a top-level menu we can install into?
+            // For our heuristic purposes we only look at menus at the top level of the avatar, where the avatar's own
+            // menu is empty.
+            GameObject topLevelMenu = null;
+            if (avatar.expressionsMenu?.controls?.Count == 0)
+            {
+                foreach (Transform t in avatar.transform)
+                {
+                    var installer = t.GetComponent<ModularAvatarMenuInstaller>();
+                    var group = t.GetComponent<ModularAvatarMenuGroup>();
+
+                    if (installer != null && group != null && installer.installTargetMenu == null &&
+                        group.targetObject == null)
+                    {
+                        topLevelMenu = t.gameObject;
+                        break;
+                    }
+                }
+            }
+
+            var parentObject = topLevelMenu != null ? topLevelMenu.transform : avatar.transform;
+
+            // Avoid double registration
+            foreach (Transform t in parentObject.transform)
+            {
+                if (PrefabUtility.IsPartOfPrefabInstance(t) &&
+                    PrefabUtility.GetPrefabAssetPathOfNearestInstanceRoot(t) == PATH_OUTFIT_MENU)
+                {
+                    EditorGUIUtility.PingObject(t.gameObject);
+                    return;
+                }
+            }
+
+            var instance = (GameObject) PrefabUtility.InstantiatePrefab(PREFAB_OUTFIT_MENU, parentObject);
+            instance.name = "Outfits";
+            Undo.RegisterCreatedObjectUndo(instance, "Added outfit menu");
+
+            var installerComponent = instance.GetComponent<ModularAvatarMenuInstaller>();
+            if (topLevelMenu != null)
+            {
+                UnityEngine.Object.DestroyImmediate(installerComponent);
+                PrefabUtility.RecordPrefabInstancePropertyModifications(instance);
+            }
+
+            EditorGUIUtility.PingObject(instance.transform.Find("BaseOutfit").gameObject);
+        }
+    }
+}
\ No newline at end of file
diff --git a/Packages/nadena.dev.modular-avatar/Editor/Menu/AddOutfitMenu.cs.meta b/Packages/nadena.dev.modular-avatar/Editor/Menu/AddOutfitMenu.cs.meta
new file mode 100644
index 00000000..ca6e50d8
--- /dev/null
+++ b/Packages/nadena.dev.modular-avatar/Editor/Menu/AddOutfitMenu.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: ec7b467fa15c4826b90ee24441bdec83
+timeCreated: 1683801782
\ No newline at end of file