diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000000..f8d66dc82c
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "src/xml/fox"]
+	path = src/xml/fox
+	url = git@github.com:mit-crpg/fox
diff --git a/src/xml/fox b/src/xml/fox
new file mode 160000
index 0000000000..e030c21a60
--- /dev/null
+++ b/src/xml/fox
@@ -0,0 +1 @@
+Subproject commit e030c21a603f09d7580d925eb25122c9be377967