Greasy Fork is available in English.
Integrates MyAnimeList into various sites, with auto episode tracking.
I just tested it and it works for me.
Could you join the Discord channel, as it is simpler to communicate.
https://discord.gg/cTH4yaw
PS:
This was a problem with greasemonkey. Please switch to tampermonkey.
Script no longer works on Firefox 57
The script does not work the the recent release of Firefox 57, but is fine with other web browsers.