The English introduction is being prepared.
mailbox-mcp
Physical mail API for AI agents: send letters, certified mail, postcards and batch mailings with cost previews, approval controls, tracking and webhooks.
SuperAPI AI DirectorySuperAPI AI DirectoryPhysical mail API for AI agents: send letters, certified mail, postcards and batch mailings with cost previews, approval controls, tracking and webhooks.
The English introduction is being prepared.
