diff --git a/plugins/codex-security/.mcp.json b/plugins/codex-security/.mcp.json
index 1abf1d4e0..189380736 100644
--- a/plugins/codex-security/.mcp.json
+++ b/plugins/codex-security/.mcp.json
@@ -49,6 +49,7 @@
         "NODE_EXTRA_CA_CERTS",
         "XDG_CACHE_HOME"
       ],
+      "startup_timeout_sec": 120,
       "tool_timeout_sec": 349200
     }
   }