I've been looking for ways to search my org-roam notes and other org files I have.
Previously I was using
Semantra is "Multi-tool for semantic search" as it's state on the github page.
It's a CLI tool written in Python. One can give it a list of text files you want this tool to be aware of. It also works with PDFs!
It starts HTTP server with nice UI that you can query.
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I also made an extension that queries semantra on every tab loaded
--here is how it looks like--