It currently uses the Planet file of http://osm2vectortiles.com http://osm2vectortiles.com, but will be ported to its successor https://openmaptiles.org https:/

It currently uses the Planet file of http://osm2vectortiles.com http://osm2vectortiles.com, but will be ported to its successor https://openmaptiles.org https://openmaptiles.org soon. Both projects -> pure awesomeness! Thanks for the kudos ;)