I also hope we can get some shared spec. OKF is an early candidate and seems reasonable enough as a starting point for interop between tools. "I" added it to my own tool to support the cause!

first design: https://github.com/verdverm/gmd/commit/b124898c987c86686769e...

first impl: https://github.com/verdverm/gmd/commit/3ff20b87597dd032021d3...