diff --git a/AGENTS.md b/AGENTS.md
index 9052a6d9b16..fb19bb17511 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -263,6 +263,7 @@ Skills own workflows; root owns hard policy and routing.
 - Version bump surfaces live in `$release-openclaw-maintainer`.
 - Parallels: `$openclaw-parallels-smoke`; Discord roundtrip: `$parallels-discord-roundtrip`.
 - Crabbox/WebVNC human demos: keep remote desktop visible/windowed; no fullscreen remote browser unless video/capture-style output.
+- Before sharing WebVNC links, capture screenshot and verify target UI is not broken.
 - ClawSweeper ops: `$clawsweeper`. Deployed hook sessions may post one concise `#clawsweeper` note only when surprising/actionable/risky; if using message tool, reply exactly `NO_REPLY`.
 - Generated-media completions wake the requester agent first. Requester visible-reply config decides final text vs message tool; direct media send is fallback/recovery only.
 - `message_tool_only`: normal agent final visible reply = current-source `message(action=send)` only. No `NO_REPLY` prompt/contract; no message call = no source reply. Plugin-owned bound-thread reply = plugin return value; no message tool needed. Never auto-publish private final.