Lets Claude send physical postcards and letters through Print.one's direct mail API. You'd reach for this when you want to automate personalized mail campaigns, send triggered physical communications based on customer actions, or bridge digital workflows with tangible marketing materials. The server exposes operations for creating and dispatching mail pieces, managing templates, and tracking delivery status. Useful for customer retention campaigns, event invitations, or any scenario where a physical touchpoint makes more impact than another email in an inbox.