diff --git a/lang_agent/tool_manager.py b/lang_agent/tool_manager.py
index 85bbff4..c63d36b 100644
--- a/lang_agent/tool_manager.py
+++ b/lang_agent/tool_manager.py
@@ -126,4 +126,10 @@ class ToolManager:
         return self.langchain_tools
     
     def get_list_langchain_tools(self)->List[StructuredTool]:
-        return self.langchain_tools
\ No newline at end of file
+        return self.langchain_tools
+
+
+if __name__ == "__main__":
+    man: ToolManager = ToolManagerConfig().setup()
+    for lang_tool in man.get_list_langchain_tools():
+        print(lang_tool.name)
\ No newline at end of file