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
@@ -4208,6 +4208,7 @@
     'PhabricatorProjectTransactionQuery' => 'applications/project/query/PhabricatorProjectTransactionQuery.php',
     'PhabricatorProjectTransactionType' => 'applications/project/xaction/PhabricatorProjectTransactionType.php',
     'PhabricatorProjectTrigger' => 'applications/project/storage/PhabricatorProjectTrigger.php',
+    'PhabricatorProjectTriggerAddProjectsRule' => 'applications/project/trigger/PhabricatorProjectTriggerAddProjectsRule.php',
     'PhabricatorProjectTriggerController' => 'applications/project/controller/trigger/PhabricatorProjectTriggerController.php',
     'PhabricatorProjectTriggerCorruptionException' => 'applications/project/exception/PhabricatorProjectTriggerCorruptionException.php',
     'PhabricatorProjectTriggerEditController' => 'applications/project/controller/trigger/PhabricatorProjectTriggerEditController.php',
@@ -10383,6 +10384,7 @@
       'PhabricatorIndexableInterface',
       'PhabricatorDestructibleInterface',
     ),
+    'PhabricatorProjectTriggerAddProjectsRule' => 'PhabricatorProjectTriggerRule',
     'PhabricatorProjectTriggerController' => 'PhabricatorProjectController',
     'PhabricatorProjectTriggerCorruptionException' => 'Exception',
     'PhabricatorProjectTriggerEditController' => 'PhabricatorProjectTriggerController',
diff --git a/src/applications/project/trigger/PhabricatorProjectTriggerAddProjectsRule.php b/src/applications/project/trigger/PhabricatorProjectTriggerAddProjectsRule.php
new file mode 100644
--- /dev/null
+++ b/src/applications/project/trigger/PhabricatorProjectTriggerAddProjectsRule.php
@@ -0,0 +1,103 @@
+<?php
+
+final class PhabricatorProjectTriggerAddProjectsRule
+  extends PhabricatorProjectTriggerRule {
+
+  const TRIGGERTYPE = 'task.projects.add';
+
+  public function getSelectControLname() {
+    return pht('Add projects');
+  }
+
+  protected function getValueForEditorField() {
+    return $this->getDatasource()->getWireTokens($this->getValue());
+  }
+
+  protected function assertValidRuleValue($value) {
+    if (!is_array($value)) {
+      throw new Exception(
+        pht(
+          'Add project rule value should be a list, but is not '.
+          '(value is "%s").',
+          phutil_describe_type($value)));
+    }
+  }
+
+  protected function newDropTransactions($object, $value) {
+    $project_edge_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
+
+    $xaction = $object->getApplicationTransactionTemplate()
+      ->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
+      ->setMetadataValue('edge:type', $project_edge_type)
+      ->setNewValue(
+        array(
+          '+' => array_fuse($value),
+        ));
+
+    return array($xaction);
+  }
+
+  protected function newDropEffects($value) {
+    return array(
+      $this->newEffect()
+        ->setIcon('fa-briefcase')
+        ->setContent($this->getRuleViewDescription($value)),
+    );
+  }
+
+  protected function getDefaultValue() {
+    return null;
+  }
+
+  protected function getPHUIXControlType() {
+    return 'tokenizer';
+  }
+
+  private function getDatasource() {
+    return id(new PhabricatorProjectDatasource())
+      ->setViewer($this->getViewer());
+  }
+
+  protected function getPHUIXControlSpecification() {
+    $template = id(new AphrontTokenizerTemplateView())
+      ->setViewer($this->getViewer());
+
+    $template_markup = $template->render();
+    $datasource = $this->getDatasource();
+
+    return array(
+      'markup' => (string)hsprintf('%s', $template_markup),
+      'config' => array(
+        'src' => $datasource->getDatasourceURI(),
+        'browseURI' => $datasource->getBrowseURI(),
+        'placeholder' => $datasource->getPlaceholderText(),
+        'limit' => $datasource->getLimit(),
+      ),
+      'value' => null,
+    );
+  }
+
+  public function getRuleViewLabel() {
+    return pht('Add Projects');
+  }
+
+  public function getRuleViewDescription($value) {
+    return pht(
+      'Add projects: %s.',
+      phutil_tag(
+        'strong',
+        array(),
+        $this->getViewer()
+          ->renderHandleList($value)
+          ->setAsInline(true)
+          ->render()));
+  }
+
+  public function getRuleViewIcon($value) {
+    return id(new PHUIIconView())
+      ->setIcon('fa-briefcase', 'green');
+  }
+
+
+
+}
diff --git a/src/applications/project/trigger/PhabricatorProjectTriggerManiphestOwnerRule.php b/src/applications/project/trigger/PhabricatorProjectTriggerManiphestOwnerRule.php
--- a/src/applications/project/trigger/PhabricatorProjectTriggerManiphestOwnerRule.php
+++ b/src/applications/project/trigger/PhabricatorProjectTriggerManiphestOwnerRule.php
@@ -66,7 +66,7 @@
     return 'tokenizer';
   }
 
-  protected function getDatasource() {
+  private function getDatasource() {
     $datasource = id(new ManiphestAssigneeDatasource())
       ->setLimit(1);