diff --git a/demos/ai_agent/README.md b/demos/ai_agent/README.md
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+In chat_ui use following .env.local,
+
+MONGODB_URL=mongodb://localhost:27017
+MODELS=`[
+  {
+    "name": "gpt-4o",
+    "endpoints": [{
+      "type" : "openai",
+      "baseURL": "http://localhost:14000/v1"
+    }],
+  },
+]`