diff --git a/stubs/rdfdb/mock_syncedgraph.pyi b/stubs/rdfdb/mock_syncedgraph.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/rdfdb/mock_syncedgraph.pyi
@@ -0,0 +1,16 @@
+# Stubs for rdfdb.mock_syncedgraph (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any, Optional
+
+class MockSyncedGraph:
+    def __init__(self, n3Content: Any) -> None: ...
+    def addHandler(self, func: Any) -> None: ...
+    def value(self, subject: Optional[Any] = ..., predicate: Any = ..., object: Optional[Any] = ..., default: Optional[Any] = ..., any: bool = ...): ...
+    def objects(self, subject: Optional[Any] = ..., predicate: Optional[Any] = ...): ...
+    def label(self, uri: Any): ...
+    def subjects(self, predicate: Optional[Any] = ..., object: Optional[Any] = ...): ...
+    def predicate_objects(self, subject: Any): ...
+    def items(self, listUri: Any) -> None: ...
+    def contains(self, triple: Any): ...