diff --git a/stdlib/2.7/pdb.pyi b/stdlib/2.7/pdb.pyi
new file mode 100644
index 000000000..1c375feee
--- /dev/null
+++ b/stdlib/2.7/pdb.pyi
@@ -0,0 +1,30 @@
+# Stub for pdb (incomplete, only some global functions)
+
+from typing import Any, Dict
+
+def run(statement: str,
+        globals: Dict[str, Any] = None,
+        locals: Dict[str, Any] = None) -> None:
+    ...
+
+def runeval(expression: str,
+            globals: Dict[str, Any] = None,
+            locals: Dict[str, Any] = None) -> Any:
+    ...
+
+def runctx(statement: str,
+        globals: Dict[str, Any],
+        locals: Dict[str, Any]) -> None:
+    ...
+
+def runcall(*args: Any, **kwds: Any) -> Any:
+    ...
+
+def set_trace() -> None:
+    ...
+
+def post_mortem(t: Any = None) -> None:
+    ...
+
+def pm() -> None:
+    ...
diff --git a/stdlib/3/pdb.pyi b/stdlib/3/pdb.pyi
new file mode 100644
index 000000000..1c375feee
--- /dev/null
+++ b/stdlib/3/pdb.pyi
@@ -0,0 +1,30 @@
+# Stub for pdb (incomplete, only some global functions)
+
+from typing import Any, Dict
+
+def run(statement: str,
+        globals: Dict[str, Any] = None,
+        locals: Dict[str, Any] = None) -> None:
+    ...
+
+def runeval(expression: str,
+            globals: Dict[str, Any] = None,
+            locals: Dict[str, Any] = None) -> Any:
+    ...
+
+def runctx(statement: str,
+        globals: Dict[str, Any],
+        locals: Dict[str, Any]) -> None:
+    ...
+
+def runcall(*args: Any, **kwds: Any) -> Any:
+    ...
+
+def set_trace() -> None:
+    ...
+
+def post_mortem(t: Any = None) -> None:
+    ...
+
+def pm() -> None:
+    ...