A similar effort has been done long time ago in the french project Weboob (Web out of browser) in the project Boobank (you get the idea) http://weboob.org/appl

A similar effort has been done long time ago in the french project Weboob (Web out of browser) in the project Boobank (you get the idea) http://weboob.org/applications/boobank http://weboob.org/applications/boobank «Boobank is a console application able to list your bank accounts balances on supported websites and to see the expenses details, transfer money, etc.» The page exposes the banks supported.