Usage options from the 'sce-searchprebuilt –help' command:

sce-searchprebuilt - Search dCore repository for pre-built SCEs, including
                     firmware, kernel modules, select lightweight and dCore
                     specific software, custom prepared Debian and Ubuntu
                     packages to work with dCore.
Usage:
sce-searchprebuilt  Search dCore repository for pre-built SCE(s), use
                    sce-import command to install desired extensions.