In case you missed this, the Wikimedia Services team is soliciting feedback on the design
of a public API for Wikidata, considering MQL and SPARQL among possible options [1]
If you are interested in contributing to this discussion, please chime in on the
Phabricator thread or help spread the word among interested parties [2].
Dario
[1]
https://phabricator.wikimedia.org/T85181
[2]
https://twitter.com/ReaderMeter/status/552919940387196928