Subscribe to an Etsy search by RSS.
Run a search on Etsy, then replace
etsy.nyh.name in the URL. That's your RSS feed.
So if you searched for "octopus" in vintage, you would change
This bookmarklet changes the URL for you:
This bookmarklet gives you a URL to copy and paste in a RSS reader app:
You can bookmark either (perhaps in the bookmarks bar of your browser), then click that bookmark when you're in an Etsy search.
Do you want feeds for a shop or someone's public favorites? Etsy has those already.
By Henrik Nyh. View source.