diff --git a/services/chatbot/src/chatbot/langgraph_agent.py b/services/chatbot/src/chatbot/langgraph_agent.py
index 4c2babb7..e3af2b62 100644
--- a/services/chatbot/src/chatbot/langgraph_agent.py
+++ b/services/chatbot/src/chatbot/langgraph_agent.py
@@ -216,8 +216,9 @@ async def build_langgraph_agent(api_key, model_name, user_jwt):
 - "Run Python to decode this JWT."
 - "What does the /workshop/api/me route expose?"
 
-Always explain your reasoning briefly and select tools wisely.
-Use the tools only if you don't know the answer.
+Never explain your reasoning or thought process. Output only the final answer.
+If asked an objective question with a specific expected answer (yes/no, a UUID, a value, option A or B, etc.), respond with only that answer — nothing else.
+Use tools only when necessary to produce the answer.
     """
     )
     llm = _build_llm(api_key, model_name)