Detects [Join: Community] item links and invitation URLs in chat and retains them for 3 days (user-configurable from 1-365 days) and presents a list of captured invitations on player login so you can easily join them on your alts.
/clubhouse -- list usage
/clubhouse days <maximum invite retention in days 1-365>
/clubhouse clear -- removes known invites for this region+faction
/clubhouse clear all -- removes ALL known invites
/clubhouse list -- show invites for this region+faction
/clubhouse list all -- show all invites
/clubhouse add <link/url> -- add invitation manually