Mods are notified when a new meta post is started on HSM meta by a diamond on the top bar lighting up in blue. Here it is, not lit up:
Proposal: Let users of sufficiently high rep see the same notifications as moderators. This would be quite handy for those active on meta.
Can a userscript / extension be created that would do this? I'm not sure if there is an API / reliable method for detecting posts.