Even better, just ask your stack

https://ask-your-stack.vercel.app/

(It uses official docs to provide answers with context)

Quite nice, but by definition limited to the stacks it covers, isn’t it?

It's open source, so you could certainly add any missing pieces, or even custom code which docs are not public, to your ask-your-stack* version.

At the end of the day with LangchainJS + LlamaIndex anything is possible