I don't know if this would go against the ideals here but it feels like a local llm could act as an intermediary to direct you to the most appropriate authoritative source from a list you specify.
Why do I need to go to Google to quickly get a weight conversion or simple sum if my browser could detect and do it for me.
Go ahead right now and install the Wikipedia app on your phone. It's one of the highest quality mobile apps available and much better than the browser. Making it easy to do a quick Wikipedia search.