"As of January 2026, custom search engines can no longer query more than 50 domains." https://en.wikipedia.org/wiki/Google_Programmable_Search_Engine https://e

"As of January 2026, custom search engines can no longer query more than 50 domains." https://en.wikipedia.org/wiki/Google_Programmable_Search_Engine https://en.wikipedia.org/wiki/Google_Programmable_Search_Eng... "All" you really need is a search engine, and then be able to customize it for each user with a set of URLs that they consider important. Use that to search/query for them. Can a user run a conventional search? How is it distributed? Where does the training take place? Are there minimum hardware requirements?