I too can never remember jq syntax when I need to. I usually just end up writing a Python script to extract the part of the JSON I need.

gron transforms JSON into discrete assignments to make it easier to grep for what you want https://github.com/tomnomnom/gron

Miller is like awk, sed, cut, join, and sort for data formats such as CSV, TSV, JSON, JSON https://github.com/johnkerl/miller