The author clearly states that it is a super simple project but I didn't fully understand your comment until I viewed the Python script: https://github.com/calganaygun/MDcat/blob/31c9a4eb29c53d764b...

I kinda agree that they could improve the README to mention use of the GitHub API:

A super simple script which uses the GitHub API to convert your markdown files to GitHub styled HTML site.

Nice project!