Show HN: CloudPostOffice – Send messages between apps and agents in 4 lines

CloudPostOffice is realtime messaging for apps, scripts, and AI agents. No MQTT broker setup or configuration, no infrastructure to manage.

  p1 = cpo.postbox('postbox-1', 'your-secret')
  p1.send(to='postbox-2', msg='hello')

  p2 = cpo.postbox('postbox-2', 'your-secret')
  p2.listen(lambda msg: print(msg))