diff --git a/.gitmodules b/.gitmodules
index f52b04d905..f0f41072ec 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,7 @@
 	path = vendor/sublinear-time-solver
 	url = https://github.com/ruvnet/sublinear-time-solver
 	branch = main
+[submodule "vendor/rvcsi"]
+	path = vendor/rvcsi
+	url = https://github.com/ruvnet/rvcsi
+	branch = main
diff --git a/vendor/rvcsi b/vendor/rvcsi
new file mode 160000
index 0000000000..acd5689d9f
--- /dev/null
+++ b/vendor/rvcsi
@@ -0,0 +1 @@
+Subproject commit acd5689d9f995dc9952bc924268d42e52aae547f