[foolswisdom]

I think it was meant to be https://metabrainz.org/datasets, which is the same as the top level link.

[pessimizer]

I hate to say this, but I suspect that an LLM that has been trained on how to post on HN truncated the link because links on HN are (visually) truncated.

[aerozol]

A suspicion that I also have often, these days… but no, no LLM in this case!