diff --git a/.gitmodules b/.gitmodules
index 6365a8e..744093e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "solution/tc_epicscommodule"]
 	path = solution/tc_epicscommodule
 	url = https://bitbucket.org/europeanspallationsource/tc_epicscommodule.git
+[submodule "solution/tc_project_app/tc_mca_std_lib"]
+	path = solution/tc_project_app/tc_mca_std_lib
+	url = https://bitbucket.org/europeanspallationsource/tc_mca_std_lib.git
diff --git a/solution/tc_project_app/tc_mca_std_lib b/solution/tc_project_app/tc_mca_std_lib
new file mode 160000
index 0000000..ef800da
--- /dev/null
+++ b/solution/tc_project_app/tc_mca_std_lib
@@ -0,0 +1 @@
+Subproject commit ef800daed54b5c78dc97bd26e0d65ef08efb98c1