Kacper Ochowiak contributed to the cmss13-devs/cmss13 repository by enhancing the first-aid kit system to support storing FixOVein, a surgical tool, within medical kits. He updated the firstaid.dm module using DM scripting, ensuring that /obj/item/tool/surgery/FixOVein could be properly recognized and stored, which improved inventory management and streamlined medical resupply for players. Through careful modification of the item storage logic, Kacper addressed a storage eligibility bug, allowing for more reliable gameplay flow. His work demonstrated proficiency in game development and version control, delivering a focused feature that addressed a specific gameplay need within the project’s codebase.