Under 18 points- Breath! It's not a Mary Sue.
18-50 points- It still looks alright.
50-100 points- This is a very dangerous place and you probably should to cut back some stuff right about now. We all know how amazing your character is but think of how amazing your character would be to conquer all of the same plot twists without all of those added abilities, traits, and shiny multi-legendary teams!
Over 100 points- Robotic Voice: Sue alert activated. A sue has breached the innermost reaches of an intelligent conscious. All units show no mercy to any transgressors! This is not a drill! I repeat, this is not a drill!