If you run your server in offline mode it won't validate the username with Mojang and you can add any number of bots. Just add this to your server.properties fi

If you run your server in offline mode it won't validate the username with Mojang and you can add any number of bots. Just add this to your server.properties file: online-mode=false I doubt Mojang have any sort of anti-bot policies. Individual servers can ban users though. But hopefully people are writing bots for fun and not war right? ;)