I’ve recently suggested that it should be possible to trigger bookmarklets on a Mac using a Pebble and Keyboard Maestro. Joseph Schmitt took his Pebble (and some of his free time) and posted a detailed explanation of the workflow with a step-by-step guide on know to set up macros to be triggered from the Pebble.
Make sure to watch the video – that’s how Bond would automate his Mac.