diff --git a/backend/apps/agents/browser/browser_fast_path.py b/backend/apps/agents/browser/browser_fast_path.py
index 27240269..2d03bc4e 100644
--- a/backend/apps/agents/browser/browser_fast_path.py
+++ b/backend/apps/agents/browser/browser_fast_path.py
@@ -52,7 +52,12 @@ P_CLASSIFIER_SYSTEM = (
     "NO: any part clearly needs something a browser cannot do: local files or "
     "folders, writing or running code, a terminal, creating documents or "
     "spreadsheets, SMS to a phone number, or other desktop apps. Also NO for "
-    "plain conversation or questions answerable without visiting any site.\n"
+    "plain conversation or questions answerable without visiting any site. "
+    "Also NO when the task names an app the user message says is connected as "
+    "a native integration: the main agent's own tools beat a browser there.\n"
+    "The browser is the LAST resort: prefer READ over ACT whenever the goal is "
+    "information rather than an action on a page, and prefer NO over READ when "
+    "a plain web search could answer it without visiting a specific page.\n"
     "Examples:\n"
     "'go to maya's linkedin and text her thanks' -> ACT\n"
     "'open hacker news and tell me the top story' -> READ (the answer is the "