All attendees are required to follow the MLH Code of Conduct.

TL;DR. Be respectful. Harassment and abuse are never tolerated. If you are in a situation that makes you uncomfortable at an officially sanctioned MLH event, if the event itself is creating an unsafe or inappropriate environment, or if interacting with a MLH representative or event organiser makes you uncomfortable, please report it using the procedures included in the MLH Code of Conduct (linked above).