I will have to give it some thought.
You can use ReaPlugs with MiniHost
ReaStream will send audio/midi to another track in BB RB or another DAW.

ReaJS will run Reaper js scripts in your host.
https://www.reaper.fm/reaplugs/#tour
http://kawa.works/reascripts
https://geraintluff.github.io/jsfx/
http://ajaxsoundstudio.com/cookdspdoc/
https://reapack.com/repos
You can edit the script in BB the second pic is using MegaBaby drum sequencer.
The third pic is https://reapack.com/repos Reaper File > Extensions > Reapack > Browse packages

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