I'm using GeoServer version of 188.8.131.52 and installed plugin for MB tiles, now I want to know how to generate MBtiles after installing the plugins.
I would suggest not to use geoserver to publish mbtiles. there are many other softwares that can do same very easily. I would suggest go for tilemill. but here is list feel free to explore.
This is the right request for generating mbtiles from geoserver :