[nanny]

You may be interested in an interactive jq tool like jiq or others: https://github.com/fiatjaf/awesome-jq (do a ctrl-f for "interactive" on this page).

[llimllib]

That page doesn't include jless[1], which seems very similar to fx and will give you a jq selector for whatever node you're on

1: https://jless.io/

[vanous]

This thread is a gem after gem, thank you!