diff --git a/src/crewai/tools/agent_tools.py b/src/crewai/tools/agent_tools.py
index fd489db73..43796fd64 100644
--- a/src/crewai/tools/agent_tools.py
+++ b/src/crewai/tools/agent_tools.py
@@ -15,22 +15,23 @@ class AgentTools(BaseModel):
     i18n: I18N = Field(default=I18N(), description="Internationalization settings.")
 
     def tools(self):
-        return [
+        tools = [
             StructuredTool.from_function(
                 func=self.delegate_work,
                 name="Delegate work to co-worker",
                 description=self.i18n.tools("delegate_work").format(
-                    coworkers=[f"{agent.role}" for agent in self.agents]
+                    coworkers=f"[{', '.join([f'{agent.role}' for agent in self.agents])}]"
                 ),
             ),
             StructuredTool.from_function(
                 func=self.ask_question,
                 name="Ask question to co-worker",
                 description=self.i18n.tools("ask_question").format(
-                    coworkers=[f"{agent.role}" for agent in self.agents]
+                    coworkers=f"[{', '.join([f'{agent.role}' for agent in self.agents])}]"
                 ),
             ),
         ]
+        return tools
 
     def delegate_work(self, coworker: str, task: str, context: str):
         """Useful to delegate a specific task to a coworker passing all necessary context and names."""