Ruby: absolutely. It's not quite as straightforward as Python , but it should be feasible using binding_of_caller. If any Ruby people want to help us figure this out, please drop us a line or stop by https://github.com/rollbar/rollbar-gem/issues/117

Excluding sensitive data: yep. This feature uses the same scrub_field list that's used to scrub sensitive data from the request (GET/POST/headers/etc).