diff --git a/proto/.clang-format b/proto/.clang-format
new file mode 100644
index 0000000000000000000000000000000000000000..6590de88c72f3208d4cb7f144fde7cfb49ea608d
--- /dev/null
+++ b/proto/.clang-format
@@ -0,0 +1,5 @@
+---
+BasedOnStyle: LLVM
+IndentWidth: 4
+ColumnLimit: 80
+...