i kinda got something like this I just had made for me. and source files.
what it does is I can add any form areas and value for future use, and urls are grabbed from a text file 1 per line
and then it will semi submit and auto fill the forms as well.
It will also auto grab all form input areas and form values needed, then you just edit and fil in your info for them values, and it is saves so any time them type of form areas are called it will auto fill them.
making prefill, semi auto submission even easier after first run.