#Lighthouse looks like a useful tool for #libraries. If you're paying for access, make sure you're really getting access.
https://www.libpages.com/
"Catch broken library access before your users do. Lighthouse runs inside your environment and simulates real user access to your databases — following proxy, authentication, and publisher flows to verify actual full-text availability, not just whether a page loads."
Nothing on the site says that it's open-source. So I assume it isn't.
Nothing on the site says what it will cost.