diff --git a/tool/fmtck.sh b/tool/fmtck.sh
new file mode 100755
index 0000000..20b2134
--- /dev/null
+++ b/tool/fmtck.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if test -n "$(gofmt -l "$@")";
+then
+    echo "[ERROR]: gofmt check errors"
+    gofmt -l "$@" | xargs -n1 printf '  > %s\n'
+    exit 1
+fi