Alias Bot simplifies Slack communication by replacing repeated @mentions with channel-specific aliases like !reviewers or !oncall. It addresses the problem of cluttered channels from long mention lists, reduces errors from missed or incorrect tags, and is especially useful for rotating or short-lived teams such as on-call, release, or incident groups. Unlike org-wide user groups, Alias Bot lets teams define aliases scoped to individual channels, ensuring mentions always expand to the right people without extra management hassle.