We would be super happy if you want to help with bringing this tool live.
Get the sourcecode and install its dependencies
git clone git@github.com:babel/phabricator-to-github.git .
npm i
The next step is to obtain a mysql dump from phabricator. You can download one here.
Once you have a dump you need to convert and import it
./bin/phaway.js import-mysql-dump path/to/dump.sql
At this point your a completely set and can start working on writing the migration flows.