You might also be interested in ClipMenu for OS X as well: https://github.com/naotaka/ClipMenu https://github.com/naotaka/ClipMenu It's a bit of a Swiss Army

You might also be interested in ClipMenu for OS X as well: https://github.com/naotaka/ClipMenu https://github.com/naotaka/ClipMenu It's a bit of a Swiss Army knife for the clipboard, and among other actions, allows for user-created Javascript to act upon clipboard contents. I don't know if the scripts can be called automatically, however. http://www.clipmenu.com/static/images/screenshot/en/pref-action.jpg http://www.clipmenu.com/static/images/screenshot/en/pref-act... FWIW, the documentation says it's for OS X 10.5-10.6, but I have it running on 10.9 without issue.