diff --git a/server.go b/server.go
index 506e0e4..e9a46f5 100644
--- a/server.go
+++ b/server.go
@@ -49,6 +49,14 @@ const (
 	ShutdownFlagIdle        = ShutdownFlag(3)
 )
 
+type ErrorWithStatus struct {
+	StatusCode int
+}
+
+func (e ErrorWithStatus) Error() string {
+	return fmt.Sprintf("%d", e.StatusCode)
+}
+
 type RpcReturnTypeInterface interface {
 	Value() any
 	Error() error