@abcdw txr is quite handy for this sort of task. Unfortunately, you do have to remember txr which is extremely powerful and that can take some time. However, Kaz did write lots of examples and has been very responsive to answering questions about it.
@bassethorn At first glance looks like just another lisp. What is special about it?
Also, I'm not sure it anyhow close to what LLMs provide in this regard.