I’m working on ideas for exactly that, but it’ll be a while before I do it, I think!
Depends on what you want, of course — if you just want to quantize to an equal temperament chromatic scale that’s one thing, if you want to be able to select from various scales that’s another.
This
looks like it could be useful for a lot of things, including quantizing, but I’m thinking about a modified version, among other things having more inputs and outputs.