Mainsail and MainsailOS respect Data Privacy.

The hosted version of Mainsail can be used on the same local network with your printer or on a different remote to network and requires you to setup remote access.


  • MainsailOS and KIAUH are preconfigured to meet the requirements for the hosted service.

  • If you have a manual installation, the following requirements must be met:

    • Klipper

    • Moonraker

    • must be configured as a CORS domain in moonraker.conf.

Editing moonraker.conf for remote access

You can learn more about editing Moonraker’s authorization configuration documentation here.

To configure your local moonraker installation for, open moonraker.conf and add the following authorization section:


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