I just used something simple for my script in autohotkey since when I was writing mine back when I was doing my mastery, where F1 was my defense key, F4 was HP potions and F5 was Stamina Potions (using the attach items to hotkey option in the options menu). It's really gross code but at the time I didn't want to try any image searches or anything since it didn't seem worth my time.
Code:
while , 1 == 1
{
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 100
Send, {F1}
Sleep, 500
Send, {F4}
Sleep, 100
Send, {F4}
Sleep, 100
Send, {F5}
Sleep, 100
Send, {F5}
Sleep, 100
Send, {F5}
Sleep, 500
}