diff --git a/extensions/amazon-bedrock-mantle/openclaw.plugin.json b/extensions/amazon-bedrock-mantle/openclaw.plugin.json
index 2d0ec66aeb6..7ed7d08f563 100644
--- a/extensions/amazon-bedrock-mantle/openclaw.plugin.json
+++ b/extensions/amazon-bedrock-mantle/openclaw.plugin.json
@@ -1,5 +1,10 @@
 {
   "id": "amazon-bedrock-mantle",
   "enabledByDefault": true,
+  "configSchema": {
+    "type": "object",
+    "additionalProperties": false,
+    "properties": {}
+  },
   "providers": ["amazon-bedrock-mantle"]
 }