I'm very interested in checking something like this out for getting to grips with a local codebase of unfamiliar SQL and assorted scripts and reports.

I have a few tabs open that I haven't had a chance to try:

https://github.com/Mintplex-Labs/anything-llm

https://github.com/Bin-Huang/chatbox

https://github.com/saeedezzati/superpower-chatgpt