diff --git a/.quixos-subtree-source.json b/.quixos-subtree-source.json
new file mode 100644
index 0000000..8f76827
--- /dev/null
+++ b/.quixos-subtree-source.json
@@ -0,0 +1,8 @@
+{
+  "version": 1,
+  "sourceRepo": "https://gitea-external.egads.tutti.syntaxblitz.net/quixos/quixos.git",
+  "sourceCommit": "eb407e5a3bbd4ae2f810a0cee0d45b5c7e8d7db1",
+  "sourcePath": "quixos-instance/quixos-nix-helpers",
+  "exportName": "quixos-nix-helpers",
+  "mirrorRemote": "https://gitea-external.egads.tutti.syntaxblitz.net/quixos/quixos-nix-helpers.git"
+}