diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4ef6559
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "vendor/STS2MCP"]
+	path = vendor/STS2MCP
+	url = git@git.rasyidanaf.com:0xrsydn/sts2-mcp.git
diff --git a/vendor/STS2MCP b/vendor/STS2MCP
new file mode 160000
index 0000000..6c4cc17
--- /dev/null
+++ b/vendor/STS2MCP
@@ -0,0 +1 @@
+Subproject commit 6c4cc172794f7a7ca42b86f4122582f93321363e