I figured out how to (safely) start an X11 program – Kodi in this case – from the commandline. Written up here for someone else trying to figure out the same thing.
Get weather and time embedded into images for your use (BASH).
Very simply, this is a document viewer type version that plays a similar role as mailcap and other such utilities. Its focus is on displaying documents quickly in a terminal (or a popup terminal).
Enhanced, modular, bookmarking for newsboat, newsbeuter, or (for that matter) anything that can pass a title and an URL to a program.