diff --git a/tools/base_tool.py b/tools/base_tool.py
index 13ddbe4..0187e65 100644
--- a/tools/base_tool.py
+++ b/tools/base_tool.py
@@ -1,4 +1,3 @@
-# tools/base_tool.py
 from abc import ABC, abstractmethod
 
 class BaseTool(ABC):
@@ -9,3 +8,7 @@ class BaseTool(ABC):
     @abstractmethod
     def execute(self, function_name, **kwargs):
         pass
+    
+    @abstractmethod
+    def clear(self):
+        raise NotImplementedError("Subclasses should implement this!")