- you can convert a list of Wikipedia wiki links to links to Wikidata using Lua.
- you can check if there is an article on THIS Wikipedia
- you will show the Wikidata data when there is no article
He even said that it is not hard to do and provided this as a pointer.
I am preparing a Wikidata workshop and I would be REALLY pleased when this list was available doing all the song and dance mentioned above. There are so many other lists that could benefit from this as well.
I am convinced that such functionality will motivate people to write stubs and articles on subjects that are important to them. I am also convinced that it is a powerful incentive to create data that accomplishes things like this.