diff --git a/agents/matmaster_agent/sub_agents/structure_search_agent/constant.py b/agents/matmaster_agent/sub_agents/structure_search_agent/constant.py
index 4baea51e..57e3887d 100644
--- a/agents/matmaster_agent/sub_agents/structure_search_agent/constant.py
+++ b/agents/matmaster_agent/sub_agents/structure_search_agent/constant.py
@@ -3,6 +3,6 @@
 STRUCTURE_SEARCH_AGENT_NAME = 'structure_search_agent'
 
 if CURRENT_ENV in ['test', 'uat']:
-    STRUCTURE_SEARCH_URL = 'http://chvz1424099.bohrium.tech:50001/sse'
+    STRUCTURE_SEARCH_URL = 'http://chvz1424099.bohrium.tech:50001/mcp'
 else:
-    STRUCTURE_SEARCH_URL = 'http://chvz1424099.bohrium.tech:50002/sse'
+    STRUCTURE_SEARCH_URL = 'http://chvz1424099.bohrium.tech:50001/mcp'