diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 00000000..edba757c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/hibou-oca/server-tools"]
+	path = external/hibou-oca/server-tools
+	url = https://github.com/hibou-io/oca-server-tools.git
diff --git a/dbfilter_from_header b/dbfilter_from_header
new file mode 120000
index 00000000..20c6d4c9
--- /dev/null
+++ b/dbfilter_from_header
@@ -0,0 +1 @@
+external/hibou-oca/server-tools/dbfilter_from_header
\ No newline at end of file
diff --git a/external/hibou-oca/server-tools b/external/hibou-oca/server-tools
new file mode 160000
index 00000000..201129d9
--- /dev/null
+++ b/external/hibou-oca/server-tools
@@ -0,0 +1 @@
+Subproject commit 201129d9905f1312405bf4f3e08bf6e082312ac9