Replace it. You can get a roll on Amazon as well as the metal end clips. I’d also recommend replacing the tensioners as well, as they were what was eating the belts on my kobra max.

5M GT2 Timing Belt Width 6mm for... https://www.amazon.com/dp/B0B1J7LRTG?ref=ppx_pop_mob_ap_share this is the link to the belt I got so you know it fits.