Nice tool! I had been working on-and-off on something similar but I haven’t had a lot of time recently.
One bug report: Your tool generates URLs that include a URL parameter named mbid, which unfortunately ends up stripped from the URL by the tracking protection in some browsers (notably Firefox). As a consequence, every input results in an “Invalid URL” error page. This should be easily fixed by renaming the parameter to something like artist_mbid.
Update: it turns out you can fetch releases by artist mbid more than 15 at a time… I dont know why I thought this was was the case…
Regardless, the artist page will now load mb albums significantly faster, 50 at a time instead of 15, which also reduces necessary api calls by a significant margin.
In have definitely been meaning to implement an actual settings menu for stuff like this, so ill definitely be looking into adding this as an option. Probably more customizable stuff in terms of what buttons appear.