Yeah sounds like semantic indexing that cursor (pending acquisition by spacex/xAI) does.

They upload your ssh keys too?

They might, if you use your home directory as the project directory, given that they only mention using gitignore as the blacklist.

	▲	dinfinity 3 hours ago \| parent [-]
		More info: https://forum.cursor.com/t/codebase-indexing/36/18 So file contents are uploaded for embedding/indexing, but supposedly none of those contents are stored at Cursor after embedding.