diff --git a/CLAUDE.md b/CLAUDE.md
index e93550c..b39442a 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -55,6 +55,12 @@ It is authored once by that skill and then treated as the source of truth;
 components consume tokens rather than literal values. `.impeccable/live/config.json`
 points the skill's live browser iteration at `web/index.html`.
 
+Drive the browser with the `agent-browser` CLI, never `google-chrome --headless`
+directly. Raw headless Chrome times out on every `http://127.0.0.1` URL in this
+VM, which reads as "the machine cannot reach localhost" and tempts a session
+into skipping the visual pass. It is the tool, not the machine: `agent-browser
+open` and `agent-browser snapshot` against the same URL work.
+
 `~/tea/arcada` has the same setup and is worth reading for the shape of a
 finished `design.json`.