diff --git a/client/src/lib/hooks/useConnection.ts b/client/src/lib/hooks/useConnection.ts
index c012c3e31..af1993df9 100644
--- a/client/src/lib/hooks/useConnection.ts
+++ b/client/src/lib/hooks/useConnection.ts
@@ -523,6 +523,7 @@ export function useConnection({
             requestHeaders["Accept"] = "text/event-stream";
             requestHeaders["content-type"] = "application/json";
             transportOptions = {
+              authProvider: serverAuthProvider,
               fetch: async (
                 url: string | URL | globalThis.Request,
                 init?: RequestInit,
@@ -544,6 +545,7 @@ export function useConnection({
 
           case "streamable-http":
             transportOptions = {
+              authProvider: serverAuthProvider,
               fetch: async (
                 url: string | URL | globalThis.Request,
                 init?: RequestInit,
@@ -632,6 +634,7 @@ export function useConnection({
               );
             }
             transportOptions = {
+              authProvider: serverAuthProvider,
               eventSourceInit: {
                 fetch: (
                   url: string | URL | globalThis.Request,
@@ -653,6 +656,7 @@ export function useConnection({
             mcpProxyServerUrl = new URL(`${getMCPProxyAddress(config)}/mcp`);
             mcpProxyServerUrl.searchParams.append("url", sseUrl);
             transportOptions = {
+              authProvider: serverAuthProvider,
               eventSourceInit: {
                 fetch: (
                   url: string | URL | globalThis.Request,