diff --git a/app/services/mode_service.py b/app/services/mode_service.py
new file mode 100644
index 0000000..18de315
--- /dev/null
+++ b/app/services/mode_service.py
@@ -0,0 +1,9 @@
+class ModeService:
+    def __init__(self):
+        self.modes = {}
+
+    def get_current_mode(self, user_id: str) -> str | None:
+        return self.modes.get(user_id)
+
+    def set_mode(self, user_id: str, mode: str):
+        self.modes[user_id] = mode