I have updated the translation check tool so that it can be run automatically. The report is generated twice a day and is hosted at the following URL:
Just like before, you can click on the percentage for each language's files and see the report details. By default, the report is collapsed but you can expand each section by clicking on the triangles next to each section heading.
This should help users and contributors alike to evaluate the completeness of each language available. Let me know if you see any problems with the report or have suggestions for its improvement.