Ability to select text in a note, then ask Obsidian to proofread it by replacing the selection with the proofread version.
The plugin would need to be configured with the OpenAI API key, and the selection of the desired AI model.
You can use Commander, Canolli and do this yourself
I do this with my AI for Templater plugin. It takes the selected text and using a prompt defined in the template does a “cleanup” of the text. Works very well and is simple to adjust if you have experience with Templater.