diff --git a/litellm/proxy/management_endpoints/mcp_management_endpoints.py b/litellm/proxy/management_endpoints/mcp_management_endpoints.py
index fca08e591fd..59306103e3b 100644
--- a/litellm/proxy/management_endpoints/mcp_management_endpoints.py
+++ b/litellm/proxy/management_endpoints/mcp_management_endpoints.py
@@ -905,20 +905,26 @@ if MCP_AVAILABLE:
 
         user_id = user_api_key_dict.user_id or ""
         if user_id and _byok_prisma_client is not None:
-            byok_server_ids = [
+            credentialed_server_ids = [
                 s.server_id
                 for s in redacted_mcp_servers
                 if getattr(s, "is_byok", False)
+                or getattr(s, "auth_type", None) == "oauth2"
             ]
-            if byok_server_ids:
+            if credentialed_server_ids:
                 cred_rows = (
                     await _byok_prisma_client.db.litellm_mcpusercredentials.find_many(
-                        where={"user_id": user_id, "server_id": {"in": byok_server_ids}}
+                        where={
+                            "user_id": user_id,
+                            "server_id": {"in": credentialed_server_ids},
+                        }
                     )
                 )
                 cred_set = {r.server_id for r in cred_rows}
                 for server in redacted_mcp_servers:
-                    if getattr(server, "is_byok", False):
+                    if getattr(server, "is_byok", False) or getattr(
+                        server, "auth_type", None
+                    ) == "oauth2":
                         server.has_user_credential = server.server_id in cred_set
 
         # Virtual keys only get a sanitized discovery view.
@@ -1494,15 +1500,61 @@ if MCP_AVAILABLE:
                 )
         return server
 
+    async def _authorize_user_auth(request: Request) -> UserAPIKeyAuth:
+        """Accept Bearer header OR session cookie for browser-redirect authorize endpoint."""
+        from litellm.proxy._experimental.mcp_server.byok_oauth_endpoints import (
+            _user_id_from_session_cookie,
+        )
+        from litellm.proxy.proxy_server import master_key as _master_key
+
+        auth_header = request.headers.get("Authorization") or request.headers.get(
+            "x-litellm-api-key"
+        )
+        if auth_header:
+            return await user_api_key_auth(request=request)
+
+        # Browser redirect: verify session cookie and build a UserAPIKeyAuth from it
+        cookie_token = request.cookies.get("token")
+        if not cookie_token or not _master_key:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED, detail="login_required"
+            )
+        try:
+            import jwt as pyjwt
+
+            payload = pyjwt.decode(
+                cookie_token, _master_key, algorithms=["HS256"]
+            )
+        except Exception:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED, detail="login_required"
+            )
+
+        user_id = payload.get("user_id")
+        user_role_str = payload.get("user_role", "")
+        api_key = payload.get("key", "cookie_session")
+
+        role_map = {
+            "proxy_admin": LitellmUserRoles.PROXY_ADMIN,
+            "proxy_admin_viewer": LitellmUserRoles.PROXY_ADMIN_VIEW_ONLY,
+            "internal_user": LitellmUserRoles.INTERNAL_USER,
+            "internal_user_viewer": LitellmUserRoles.INTERNAL_USER_VIEW_ONLY,
+        }
+        user_role = role_map.get(user_role_str, LitellmUserRoles.INTERNAL_USER)
+        return UserAPIKeyAuth(
+            api_key=api_key,
+            user_id=user_id,
+            user_role=user_role,
+        )
+
     @router.get(
         "/server/oauth/{server_id}/authorize",
         include_in_schema=False,
-        dependencies=[Depends(user_api_key_auth)],
     )
     async def mcp_authorize(
         request: Request,
         server_id: str,
-        user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
+        user_api_key_dict: UserAPIKeyAuth = Depends(_authorize_user_auth),
         client_id: Optional[str] = None,
         redirect_uri: str = Query(...),
         state: str = "",