diff --git a/crates/openshell-driver-mxc/src/grpc.rs b/crates/openshell-driver-mxc/src/grpc.rs
index 0fa23f7ac9..dfe8f66b29 100644
--- a/crates/openshell-driver-mxc/src/grpc.rs
+++ b/crates/openshell-driver-mxc/src/grpc.rs
@@ -9,14 +9,15 @@
 use crate::driver::MxcComputeBackend;
 use futures::{Stream, StreamExt};
 use openshell_core::proto::compute::v1::{
-    CreateSandboxRequest, CreateSandboxResponse, DeleteSandboxRequest, DeleteSandboxResponse,
-    DeleteWorkspaceRequest, DeleteWorkspaceResponse, EnsureWorkspaceRequest,
-    EnsureWorkspaceResponse, GetCapabilitiesRequest, GetCapabilitiesResponse,
-    GetGatewayListenerRequirementsRequest, GetGatewayListenerRequirementsResponse,
-    GetSandboxRequest, GetSandboxResponse, ListSandboxesRequest, ListSandboxesResponse,
-    StartSandboxRequest, StartSandboxResponse, StopSandboxRequest, StopSandboxResponse,
-    ValidateSandboxCreateRequest, ValidateSandboxCreateResponse, WatchSandboxesEvent,
-    WatchSandboxesRequest, compute_driver_server::ComputeDriver,
+    AuthenticateSandboxRequest, AuthenticateSandboxResponse, CreateSandboxRequest,
+    CreateSandboxResponse, DeleteSandboxRequest, DeleteSandboxResponse, DeleteWorkspaceRequest,
+    DeleteWorkspaceResponse, EnsureWorkspaceRequest, EnsureWorkspaceResponse,
+    GetCapabilitiesRequest, GetCapabilitiesResponse, GetGatewayListenerRequirementsRequest,
+    GetGatewayListenerRequirementsResponse, GetSandboxRequest, GetSandboxResponse,
+    ListSandboxesRequest, ListSandboxesResponse, StartSandboxRequest, StartSandboxResponse,
+    StopSandboxRequest, StopSandboxResponse, ValidateSandboxCreateRequest,
+    ValidateSandboxCreateResponse, WatchSandboxesEvent, WatchSandboxesRequest,
+    compute_driver_server::ComputeDriver,
 };
 use std::pin::Pin;
 use tonic::{Request, Response, Status};
@@ -41,6 +42,15 @@ impl ComputeDriver for ComputeDriverService {
         Ok(Response::new(self.backend.capabilities()))
     }
 
+    async fn authenticate_sandbox(
+        &self,
+        _request: Request<AuthenticateSandboxRequest>,
+    ) -> Result<Response<AuthenticateSandboxResponse>, Status> {
+        Err(Status::unimplemented(
+            "mxc does not authenticate sandbox credentials",
+        ))
+    }
+
     async fn get_gateway_listener_requirements(
         &self,
         _request: Request<GetGatewayListenerRequirementsRequest>,