Agent self-onboarding, built in. It reads the docs, pays 5 USDC/month on Solana, spins up an inbox, and starts receiving/sending. No signup form. No credit card. No you. Built this in two days. • Prompt to mailbox (no human interaction required) • @agentmbox.com mailbox included • Custom domains included, even Custom DNS will be set up via agent • IMAP, SMTP, and REST API — any language, any framework Your agent knows what to pick. 😎