diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2232,6 +2232,7 @@
     'PhabricatorAuthFactorProviderEditEngine' => 'applications/auth/editor/PhabricatorAuthFactorProviderEditEngine.php',
     'PhabricatorAuthFactorProviderEditor' => 'applications/auth/editor/PhabricatorAuthFactorProviderEditor.php',
     'PhabricatorAuthFactorProviderListController' => 'applications/auth/controller/mfa/PhabricatorAuthFactorProviderListController.php',
+    'PhabricatorAuthFactorProviderMFAEngine' => 'applications/auth/engine/PhabricatorAuthFactorProviderMFAEngine.php',
     'PhabricatorAuthFactorProviderNameTransaction' => 'applications/auth/xaction/PhabricatorAuthFactorProviderNameTransaction.php',
     'PhabricatorAuthFactorProviderQuery' => 'applications/auth/query/PhabricatorAuthFactorProviderQuery.php',
     'PhabricatorAuthFactorProviderStatus' => 'applications/auth/constants/PhabricatorAuthFactorProviderStatus.php',
@@ -7954,12 +7955,14 @@
       'PhabricatorApplicationTransactionInterface',
       'PhabricatorPolicyInterface',
       'PhabricatorExtendedPolicyInterface',
+      'PhabricatorEditEngineMFAInterface',
     ),
     'PhabricatorAuthFactorProviderController' => 'PhabricatorAuthProviderController',
     'PhabricatorAuthFactorProviderEditController' => 'PhabricatorAuthFactorProviderController',
     'PhabricatorAuthFactorProviderEditEngine' => 'PhabricatorEditEngine',
     'PhabricatorAuthFactorProviderEditor' => 'PhabricatorApplicationTransactionEditor',
     'PhabricatorAuthFactorProviderListController' => 'PhabricatorAuthProviderController',
+    'PhabricatorAuthFactorProviderMFAEngine' => 'PhabricatorEditEngineMFAEngine',
     'PhabricatorAuthFactorProviderNameTransaction' => 'PhabricatorAuthFactorProviderTransactionType',
     'PhabricatorAuthFactorProviderQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'PhabricatorAuthFactorProviderStatus' => 'Phobject',
diff --git a/src/applications/auth/engine/PhabricatorAuthFactorProviderMFAEngine.php b/src/applications/auth/engine/PhabricatorAuthFactorProviderMFAEngine.php
new file mode 100644
--- /dev/null
+++ b/src/applications/auth/engine/PhabricatorAuthFactorProviderMFAEngine.php
@@ -0,0 +1,10 @@
+<?php
+
+final class PhabricatorAuthFactorProviderMFAEngine
+  extends PhabricatorEditEngineMFAEngine {
+
+  public function shouldTryMFA() {
+    return true;
+  }
+
+}
diff --git a/src/applications/auth/storage/PhabricatorAuthFactorProvider.php b/src/applications/auth/storage/PhabricatorAuthFactorProvider.php
--- a/src/applications/auth/storage/PhabricatorAuthFactorProvider.php
+++ b/src/applications/auth/storage/PhabricatorAuthFactorProvider.php
@@ -5,7 +5,8 @@
   implements
      PhabricatorApplicationTransactionInterface,
      PhabricatorPolicyInterface,
-     PhabricatorExtendedPolicyInterface {
+     PhabricatorExtendedPolicyInterface,
+     PhabricatorEditEngineMFAInterface {
 
   protected $providerFactorKey;
   protected $name;
@@ -188,4 +189,11 @@
   }
 
 
+/* -(  PhabricatorEditEngineMFAInterface  )---------------------------------- */
+
+
+  public function newEditEngineMFAEngine() {
+    return new PhabricatorAuthFactorProviderMFAEngine();
+  }
+
 }