Is your suggestion for improvement related to a problem? Please describe.
As a user in the fields of social sciences I would like to have an integration of
https://isidore.science
Your search assistant in Humanities and Social Sciences

Describe the solution you'd like
A new fetcher for https://isidore.science
It should include author, abstract (DOI/URL), date etc and any other related metadat
If available, it should include the fulltext

Additional context
https://isidore.science/api
It probably makes sense to filter the type of results to Documents or Publications like it's done on the website