A method and system for processing media content in Moving Picture Experts Group (MPEG) Network Based Media Processing (NBMP) includes obtaining a list of function repositories, each function repository storing one or more functions for processing the media content, obtaining a descriptor identifying a location of each of the function repositories identified in the list of function repositories, selecting a function repository, from among the function repositories, according to a criterion, and processing the media content using a function included in the selected function repository.