diff --git a/internal/server/proto/ruby_vagrant/ruby-server.proto b/internal/server/proto/ruby_vagrant/ruby-server.proto
index 0171b3300..d0f7a3161 100644
--- a/internal/server/proto/ruby_vagrant/ruby-server.proto
+++ b/internal/server/proto/ruby_vagrant/ruby-server.proto
@@ -13,17 +13,22 @@ import "plugin.proto";
 // The service that is implemented for the server backend.
 service RubyVagrant {
   // Gets available ruby plugins
-  rpc GetPlugins(google.protobuf.Empty) returns (GetPluginsResponse);
+  rpc GetPlugins(GetPluginsRequest) returns (GetPluginsResponse);
   rpc ParseVagrantfile(ParseVagrantfileRequest) returns (ParseVagrantfileResponse);
   rpc ParseVagrantfileProc(ParseVagrantfileProcRequest) returns (ParseVagrantfileResponse);
   rpc ParseVagrantfileSubvm(ParseVagrantfileSubvmRequest) returns (ParseVagrantfileResponse);
   rpc ParseVagrantfileProvider(ParseVagrantfileProviderRequest) returns (ParseVagrantfileResponse);
+  rpc Stop(google.protobuf.Empty) returns (google.protobuf.Empty);
 }
 
 /********************************************************************
 * Plugins
 ********************************************************************/
 
+message GetPluginsRequest {
+  string project_path = 1;
+}
+
 message GetPluginsResponse {
   repeated Plugin plugins = 1;
 }