The Ankiconnect Fixed add-on fixes a bug that prevents the original Ankiconnect add-on from connecting to Anki without modifying the configuration file.
Such a connection was required by web application SubtiPlayer (https://subtiplayer.com/).
Unfortunately, I was unable to contact the author of the original Ankiconnect, so for now it is necessary to use this fixed version.
Update: Added an Anki auto-start feature (Windows only). With the user’s consent, the ankiconnect:// protocol is registered, allowing the web application to launch Anki when needed.