Still overkill, but it seems like Befaco CV Thing will do Midi clock
https://www.modulargrid.net/e/befaco-cv-thing

Too bad the VPME.de trig31 doesn't seem to do Midi clock. Just the right amount of kill otherwise.
https://www.modulargrid.net/e/vpme-de-trig31

Or set and forget a Disting Mk4