diff --git a/src/applications/repository/conduit/RepositoryQueryConduitAPIMethod.php b/src/applications/repository/conduit/RepositoryQueryConduitAPIMethod.php
--- a/src/applications/repository/conduit/RepositoryQueryConduitAPIMethod.php
+++ b/src/applications/repository/conduit/RepositoryQueryConduitAPIMethod.php
@@ -27,6 +27,7 @@
       'vcsTypes' => 'optional list<string>',
       'remoteURIs' => 'optional list<string>',
       'uuids' => 'optional list<string>',
+      'projectPHIDs' => 'optional list<phid>'
     );
   }
 
@@ -73,6 +74,12 @@
       $query->withUUIDs($uuids);
     }
 
+    $projects = $request->getValue('projectPHIDs', array());
+    if ($projects) {
+      $query->withAnyProjects($projects);
+    }
+    $query->needProjectPHIDs(true);
+
     $repositories = $query->execute();
 
     $results = array();
diff --git a/src/applications/repository/storage/PhabricatorRepository.php b/src/applications/repository/storage/PhabricatorRepository.php
--- a/src/applications/repository/storage/PhabricatorRepository.php
+++ b/src/applications/repository/storage/PhabricatorRepository.php
@@ -92,6 +92,7 @@
       'isActive'    => $this->isTracked(),
       'isHosted'    => $this->isHosted(),
       'isImporting' => $this->isImporting(),
+      'projects'    => $this->getProjectPHIDs(),
     );
   }