Download the zip for this gist, extract it into a local directory, open up the command line and navigate to that directory.
python3 -m pip install -U --user Pillow mss
Open FF9 in windowed mode, 800x600 resolution, and move it to the very top-left corner of the screen, as close as you possibly can. Approach the rope jumping minigame and initiate it, but don't press anything when the first exclamation mark comes up
From the directory with the .py files, in the command line, run
python3 rope_jumper.py
and then click back to the game window so the program can input keyboard presses.
Thanks! Worked after some failed attempts