As developer i can say that this code looks like skid and the noslow check that is very good falses when i eat + rep very good ac only falses speed check doesnt exist etc.
Very Good AntiCheat I Tested It And It Works Really Good, It Also Can Be Used Like An Additional AntiCheat With Other AntiCheats, Highly Recommended This.
AntiCheat is great same goes for the dev hes constantly working on making it better tho it would be better to switch from protocollib to packetevents since protocollib is known for tanking the cpu while packetevents doesnt