Nowadays, many applications which are powered by LLM (Large Language Model)s are utilizing langchain library to facilitate faster and more integrated service development. Since is-thirteen is carrying one of the most paramount and critical task of modern IT service -- determining if the given subject is logically and mathematically equivalent to 13(in a decimal number), I expect another huge potential will be emerged if it will support AI and LLM integration, especially via cooperating with langchain library.