There 1753 vocabulary in the lesson database. but as you know, you always hunt for new vocabularies in readings, or notes. I'm still currently working on optimizing the server also the lesson level 7.
As for JLPT, the lessons in JCJP are not directly from JLTP, but it is somehow coherent with JLPT syllabus.
There are several JLPT notes, for example:
JLPT N5 note by anamiau
http://japaneseclass.jp/notes/open/1367May 26, 2014 at 4:00am