diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 89f88da..86725c3 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1,147 +1,149 @@
 <?php
 
 /**
  * This file is automatically generated. Use 'arc liberate' to rebuild it.
  *
  * @generated
  * @phutil-library-version 2
  */
 phutil_register_library_map(array(
   '__library_version__' => 2,
   'class' => array(
     'SemiStructuredBaseController' => 'controller/SemiStructuredBaseController.php',
     'SemiStructuredDAO' => 'storage/SemiStructuredDAO.php',
     'SemiStructuredDataApplication' => 'application/SemiStructuredDataApplication.php',
     'SemiStructuredInstanceConfiguredCustomField' => 'customfield/SemiStructuredInstanceConfiguredCustomField.php',
     'SemiStructuredInstanceConfiguredCustomFieldStorage' => 'storage/SemiStructuredInstanceConfiguredCustomFieldStorage.php',
     'SemiStructuredInstanceCustomField' => 'customfield/SemiStructuredInstanceCustomField.php',
     'SemiStructuredInstanceCustomFieldNumericIndex' => 'storage/SemiStructuredInstanceCustomFieldNumericIndex.php',
     'SemiStructuredInstanceCustomFieldStringIndex' => 'storage/SemiStructuredInstanceCustomFieldStringIndex.php',
     'SemiStructuredObjectInstance' => 'storage/SemiStructuredObjectInstance.php',
     'SemiStructuredObjectInstanceClassTransaction' => 'xaction/instance/SemiStructuredObjectInstanceClassTransaction.php',
     'SemiStructuredObjectInstanceController' => 'controller/instance/SemiStructuredObjectInstanceController.php',
     'SemiStructuredObjectInstanceDescriptionTransaction' => 'xaction/instance/SemiStructuredObjectInstanceDescriptionTransaction.php',
     'SemiStructuredObjectInstanceEditController' => 'controller/instance/SemiStructuredObjectInstanceEditController.php',
     'SemiStructuredObjectInstanceEditEngine' => 'editor/SemiStructuredObjectInstanceEditEngine.php',
     'SemiStructuredObjectInstanceListController' => 'controller/instance/SemiStructuredObjectInstanceListController.php',
     'SemiStructuredObjectInstanceMailReceiver' => 'mail/SemiStructuredObjectInstanceMailReceiver.php',
     'SemiStructuredObjectInstanceNameTransaction' => 'xaction/instance/SemiStructuredObjectInstanceNameTransaction.php',
     'SemiStructuredObjectInstancePHIDType' => 'phid/SemiStructuredObjectInstancePHIDType.php',
     'SemiStructuredObjectInstanceQuery' => 'query/SemiStructuredObjectInstanceQuery.php',
     'SemiStructuredObjectInstanceRawDataTransaction' => 'xaction/instance/SemiStructuredObjectInstanceRawDataTransaction.php',
     'SemiStructuredObjectInstanceReplyHandler' => 'mail/SemiStructuredObjectInstanceReplyHandler.php',
     'SemiStructuredObjectInstanceSearchEngine' => 'query/SemiStructuredObjectInstanceSearchEngine.php',
     'SemiStructuredObjectInstanceTransaction' => 'storage/SemiStructuredObjectInstanceTransaction.php',
     'SemiStructuredObjectInstanceTransactionComment' => 'storage/SemiStructuredObjectInstanceTransactionComment.php',
     'SemiStructuredObjectInstanceTransactionEditor' => 'editor/SemiStructuredObjectInstanceTransactionEditor.php',
     'SemiStructuredObjectInstanceTransactionQuery' => 'query/SemiStructuredObjectInstanceTransactionQuery.php',
     'SemiStructuredObjectInstanceTransactionType' => 'xaction/instance/SemiStructuredObjectInstanceTransactionType.php',
     'SemiStructuredObjectInstanceViewController' => 'controller/instance/SemiStructuredObjectInstanceViewController.php',
     'SemiStructuredObjectNewInstanceController' => 'controller/class/SemiStructuredObjectNewInstanceController.php',
     'SemiStructuredObjectType' => 'storage/SemiStructuredObjectType.php',
     'SemiStructuredObjectTypeArchiveController' => 'controller/class/SemiStructuredObjectTypeArchiveController.php',
     'SemiStructuredObjectTypeController' => 'controller/class/SemiStructuredObjectTypeController.php',
     'SemiStructuredObjectTypeCustomFieldsTransaction' => 'xaction/class/SemiStructuredObjectTypeCustomFieldsTransaction.php',
     'SemiStructuredObjectTypeDescriptionTransaction' => 'xaction/class/SemiStructuredObjectTypeDescriptionTransaction.php',
     'SemiStructuredObjectTypeEditController' => 'controller/class/SemiStructuredObjectTypeEditController.php',
     'SemiStructuredObjectTypeEditEngine' => 'editor/SemiStructuredObjectTypeEditEngine.php',
     'SemiStructuredObjectTypeFerretEngine' => 'engine/SemiStructuredObjectTypeFerretEngine.php',
     'SemiStructuredObjectTypeListController' => 'controller/class/SemiStructuredObjectTypeListController.php',
     'SemiStructuredObjectTypeMailReceiver' => 'mail/SemiStructuredObjectTypeMailReceiver.php',
     'SemiStructuredObjectTypeNameTransaction' => 'xaction/class/SemiStructuredObjectTypeNameTransaction.php',
     'SemiStructuredObjectTypePHIDType' => 'phid/SemiStructuredObjectTypePHIDType.php',
     'SemiStructuredObjectTypeQuery' => 'query/SemiStructuredObjectTypeQuery.php',
     'SemiStructuredObjectTypeRemarkupRule' => 'remarkup/SemiStructuredObjectTypeRemarkupRule.php',
     'SemiStructuredObjectTypeReplyHandler' => 'mail/SemiStructuredObjectTypeReplyHandler.php',
     'SemiStructuredObjectTypeSearchEngine' => 'query/SemiStructuredObjectTypeSearchEngine.php',
     'SemiStructuredObjectTypeStatusTransaction' => 'xaction/class/SemiStructuredObjectTypeStatusTransaction.php',
     'SemiStructuredObjectTypeTransaction' => 'storage/SemiStructuredObjectTypeTransaction.php',
     'SemiStructuredObjectTypeTransactionComment' => 'storage/SemiStructuredObjectTypeTransactionComment.php',
     'SemiStructuredObjectTypeTransactionEditor' => 'editor/SemiStructuredObjectTypeTransactionEditor.php',
     'SemiStructuredObjectTypeTransactionQuery' => 'query/SemiStructuredObjectTypeTransactionQuery.php',
     'SemiStructuredObjectTypeTransactionType' => 'xaction/class/SemiStructuredObjectTypeTransactionType.php',
     'SemiStructuredObjectTypeViewController' => 'controller/class/SemiStructuredObjectTypeViewController.php',
     'SemiStructuredPatchList' => 'storage/SemiStructuredPatchList.php',
+    'SemiStructuredSchemaSpec' => 'storage/SemiStructuredSchemaSpec.php',
     'SemiStructuredStaticSearchField' => '_to_upstream/SemiStructuredStaticSearchField.php',
   ),
   'function' => array(),
   'xmap' => array(
     'SemiStructuredBaseController' => 'PhabricatorController',
     'SemiStructuredDAO' => 'PhabricatorLiskDAO',
     'SemiStructuredDataApplication' => 'PhabricatorApplication',
     'SemiStructuredInstanceConfiguredCustomField' => array(
       'SemiStructuredInstanceCustomField',
       'PhabricatorStandardCustomFieldInterface',
     ),
     'SemiStructuredInstanceConfiguredCustomFieldStorage' => 'PhabricatorCustomFieldStorage',
     'SemiStructuredInstanceCustomField' => 'PhabricatorCustomField',
     'SemiStructuredInstanceCustomFieldNumericIndex' => 'PhabricatorCustomFieldNumericIndexStorage',
     'SemiStructuredInstanceCustomFieldStringIndex' => 'PhabricatorCustomFieldStringIndexStorage',
     'SemiStructuredObjectInstance' => array(
       'SemiStructuredDAO',
       'PhabricatorPolicyInterface',
       'PhabricatorApplicationTransactionInterface',
       'PhabricatorSubscribableInterface',
       'PhabricatorFlaggableInterface',
       'PhabricatorProjectInterface',
       'PhabricatorMentionableInterface',
       'PhabricatorCustomFieldInterface',
       'PhabricatorDestructibleInterface',
     ),
     'SemiStructuredObjectInstanceClassTransaction' => 'SemiStructuredObjectInstanceTransactionType',
     'SemiStructuredObjectInstanceController' => 'SemiStructuredBaseController',
     'SemiStructuredObjectInstanceDescriptionTransaction' => 'SemiStructuredObjectInstanceTransactionType',
     'SemiStructuredObjectInstanceEditController' => 'SemiStructuredBaseController',
     'SemiStructuredObjectInstanceEditEngine' => 'PhabricatorEditEngine',
     'SemiStructuredObjectInstanceListController' => 'SemiStructuredObjectTypeController',
     'SemiStructuredObjectInstanceMailReceiver' => 'PhabricatorObjectMailReceiver',
     'SemiStructuredObjectInstanceNameTransaction' => 'SemiStructuredObjectInstanceTransactionType',
     'SemiStructuredObjectInstancePHIDType' => 'PhabricatorPHIDType',
     'SemiStructuredObjectInstanceQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'SemiStructuredObjectInstanceRawDataTransaction' => 'SemiStructuredObjectInstanceTransactionType',
     'SemiStructuredObjectInstanceReplyHandler' => 'PhabricatorApplicationTransactionReplyHandler',
     'SemiStructuredObjectInstanceSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'SemiStructuredObjectInstanceTransaction' => 'PhabricatorModularTransaction',
     'SemiStructuredObjectInstanceTransactionComment' => 'PhabricatorApplicationTransactionComment',
     'SemiStructuredObjectInstanceTransactionEditor' => 'PhabricatorApplicationTransactionEditor',
     'SemiStructuredObjectInstanceTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'SemiStructuredObjectInstanceTransactionType' => 'PhabricatorModularTransactionType',
     'SemiStructuredObjectInstanceViewController' => 'SemiStructuredObjectInstanceController',
     'SemiStructuredObjectNewInstanceController' => 'SemiStructuredObjectTypeController',
     'SemiStructuredObjectType' => array(
       'SemiStructuredDAO',
       'PhabricatorPolicyInterface',
       'PhabricatorApplicationTransactionInterface',
       'PhabricatorMentionableInterface',
       'PhabricatorSubscribableInterface',
       'PhabricatorProjectInterface',
       'PhabricatorFlaggableInterface',
       'PhabricatorDestructibleInterface',
       'PhabricatorFerretInterface',
     ),
     'SemiStructuredObjectTypeArchiveController' => 'SemiStructuredBaseController',
     'SemiStructuredObjectTypeController' => 'SemiStructuredBaseController',
     'SemiStructuredObjectTypeCustomFieldsTransaction' => 'SemiStructuredObjectTypeTransactionType',
     'SemiStructuredObjectTypeDescriptionTransaction' => 'SemiStructuredObjectTypeTransactionType',
     'SemiStructuredObjectTypeEditController' => 'SemiStructuredBaseController',
     'SemiStructuredObjectTypeEditEngine' => 'PhabricatorEditEngine',
     'SemiStructuredObjectTypeFerretEngine' => 'PhabricatorFerretEngine',
     'SemiStructuredObjectTypeListController' => 'SemiStructuredBaseController',
     'SemiStructuredObjectTypeMailReceiver' => 'PhabricatorObjectMailReceiver',
     'SemiStructuredObjectTypeNameTransaction' => 'SemiStructuredObjectTypeTransactionType',
     'SemiStructuredObjectTypePHIDType' => 'PhabricatorPHIDType',
     'SemiStructuredObjectTypeQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
     'SemiStructuredObjectTypeRemarkupRule' => 'PhabricatorObjectRemarkupRule',
     'SemiStructuredObjectTypeReplyHandler' => 'PhabricatorApplicationTransactionReplyHandler',
     'SemiStructuredObjectTypeSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'SemiStructuredObjectTypeStatusTransaction' => 'SemiStructuredObjectTypeTransactionType',
     'SemiStructuredObjectTypeTransaction' => 'PhabricatorModularTransaction',
     'SemiStructuredObjectTypeTransactionComment' => 'PhabricatorApplicationTransactionComment',
     'SemiStructuredObjectTypeTransactionEditor' => 'PhabricatorApplicationTransactionEditor',
     'SemiStructuredObjectTypeTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'SemiStructuredObjectTypeTransactionType' => 'PhabricatorModularTransactionType',
     'SemiStructuredObjectTypeViewController' => 'SemiStructuredObjectTypeController',
     'SemiStructuredPatchList' => 'PhabricatorSQLPatchList',
+    'SemiStructuredSchemaSpec' => 'PhabricatorConfigSchemaSpec',
     'SemiStructuredStaticSearchField' => 'PhabricatorSearchField',
   ),
 ));
diff --git a/src/storage/SemiStructuredSchemaSpec.php b/src/storage/SemiStructuredSchemaSpec.php
new file mode 100644
index 0000000..3cd383c
--- /dev/null
+++ b/src/storage/SemiStructuredSchemaSpec.php
@@ -0,0 +1,10 @@
+<?php
+
+final class SemiStructuredSchemaSpec
+  extends PhabricatorConfigSchemaSpec {
+
+  public function buildSchemata() {
+    $this->buildEdgeSchemata(new SemiStructuredObjectInstance());
+  }
+
+}