diff --git a/python/packages/core/agent_framework/_mcp.py b/python/packages/core/agent_framework/_mcp.py
index 062df5491c..bb258a4fc0 100644
--- a/python/packages/core/agent_framework/_mcp.py
+++ b/python/packages/core/agent_framework/_mcp.py
@@ -804,9 +804,14 @@ async def message_handler(
         if isinstance(message, types.ServerNotification):
             match message.root.method:
                 case "notifications/tools/list_changed":
-                    await self.load_tools()
+                    # Only log here. Calling load_tools() — even as a background task —
+                    # causes a deadlock: load_tools() → _ensure_connected() → send_ping(),
+                    # but the session cannot process the ping while an in-flight call_tool
+                    # request is waiting for its response. Tools will be up-to-date on the
+                    # next explicit load_tools() or connect(reset=True) call.
+                    logger.debug("Tools list changed notification received; reload on next connect.")
                 case "notifications/prompts/list_changed":
-                    await self.load_prompts()
+                    logger.debug("Prompts list changed notification received; reload on next connect.")
                 case _:
                     logger.debug("Unhandled notification: %s", message.root.method)