Since you specifically were wondering if something like this exist, I feel okay with mentioning my own tool https://keenious.com since I think it might fit your needs.
Basically we are trying to combine the benefits of chat with normal academic search results using semantic search and keyword search. That way you get the benefit of LLMs but you’re actually engaging with sources like a normal search.
Claude with location access is now an amazing traveling companion. Sharing my experience of using it in Hong Kong in an area I knew nothing about. The best thing is, is that it doesn’t ruin the experience with images etc that in my opinion spoils the locations.