From MusicBrainz Wiki

This page is about programs written by editors that automatically enter edits into the database, called "bots". You can see a list of bots on the Privileged User Accounts page (although they are not privileged compared to editor/auto-editor accounts).

If you want to start your own bot, create a new account with a name that shows other editors that a) it is a bot and b) you are running it (e.g. "YOUR-NICK_bot"). Be sure to carefully test your program on the test server, and to comply to the Code of Conduct for bots.

If you found a wrong bot edit and want to protect the entity from future wrong edits, make an entry in the appropriate blacklist.