diff --git a/dm_std_lib/std/core/ns.yaml b/dm_std_lib/std/core/ns.yaml
new file mode 100644
index 0000000..d3fed3d
--- /dev/null
+++ b/dm_std_lib/std/core/ns.yaml
@@ -0,0 +1,4 @@
+ns
+  name: core
+  patch: false
+  vis: pub