diff --git a/backend/agent/run.py b/backend/agent/run.py
index f01843e8..41a1828d 100644
--- a/backend/agent/run.py
+++ b/backend/agent/run.py
@@ -70,7 +70,7 @@ class ToolManager:
         self.thread_manager.add_tool(SandboxWebSearchTool, project_id=self.project_id, thread_manager=self.thread_manager)
         self.thread_manager.add_tool(SandboxVisionTool, project_id=self.project_id, thread_id=self.thread_id, thread_manager=self.thread_manager)
         self.thread_manager.add_tool(SandboxImageEditTool, project_id=self.project_id, thread_id=self.thread_id, thread_manager=self.thread_manager)
-        
+        self.thread_manager.add_tool(TaskListTool, project_id=self.project_id, thread_manager=self.thread_manager, thread_id=self.thread_id)
         if config.RAPID_API_KEY:
             self.thread_manager.add_tool(DataProvidersTool)
     
@@ -92,6 +92,7 @@ class ToolManager:
     def register_custom_tools(self, enabled_tools: Dict[str, Any]):
         self.thread_manager.add_tool(ExpandMessageTool, thread_id=self.thread_id, thread_manager=self.thread_manager)
         self.thread_manager.add_tool(MessageTool)
+        self.thread_manager.add_tool(TaskListTool, project_id=self.project_id, thread_manager=self.thread_manager, thread_id=self.thread_id)
 
         def safe_tool_check(tool_name: str) -> bool:
             try: