diff --git a/agent.json b/agent.json
index e1292bd..a74a6a2 100644
--- a/agent.json
+++ b/agent.json
@@ -1,5 +1,5 @@
 {
-  "model": "claude-opus-4",
+  "model": "claude-sonnet-4",
   "mcpServers": {
     "js-dev": {
       "type": "stdio",