OpenID Connect defines the following Authorization Request parameter to enable requesting individual Claims.
The claims Authentication Request parameter requests that specific Claims be returned from the UserInfo Endpoint and/or in the ID Token. It is represented as a JSON object containing lists of Claims being requested from these locations. Properties of the Claims being requested MAY also be specified.
Coverage increased (+0.1%) to 99.485% when pulling ecce3b00e3e2eff8ae9dd49604469f565f4901df on harmjanblok:claims-request-parameter into 849b181551a61f732f9990dd7ad58c258b970019 on jjbohn:master.
Quote from the OpenID Connect specification: