[Faetyl]

No but you can have a tool tip popup that compares the vendors spell with your scribed spell. (If no popup then no scribed spell...)

But to be honest they don't have all the higher level spells so I compare with Ogaming (which is also missing spells unfortunately).
I also crossreference those with doing a search on the broker for class specific spells.

There's another site that is much more complete but I don't have the link handy atm.
I'll try to post a followup with it when I have a chance.