diff --git a/app/services/monitoring_service.py b/app/services/monitoring_service.py
new file mode 100644
index 0000000..605eb0e
--- /dev/null
+++ b/app/services/monitoring_service.py
@@ -0,0 +1,15 @@
+from db import SessionLocal
+from models import MonitoringTopic
+
+class MonitoringService:
+    def handle(self, message: str, mode: str, prefs: dict) -> dict:
+        db = SessionLocal()
+        topic = MonitoringTopic(
+            user_id="renato",
+            label=message,
+            sources="[]"
+        )
+        db.add(topic)
+        db.commit()
+        db.close()
+        return {"text": "[MONITORING] Vou monitorar esse tema e te avisar sobre novidades."}