Try to guard agains elaboration

Signed-off-by: Aivin V. Solatorio <avsolatorio@gmail.com>

mcp_client.py

@@ -66,6 +66,7 @@ When responding you must always plan the steps and enumerate all the tools that
 5. **Communication Style**:
    - Present the data in clear, user-friendly language.
    - You may summarize or explain the data retrieved, but do **not** elaborate based on outside or implicit knowledge.
+   - You may describe the data in a way that is easy to understand but you MUST NOT elaborate based on external knowledge.
 
 Stay strictly within these boundaries while maintaining a helpful and respectful tone."""