A WordPress plugin that adds microdata to a WP blog entry with category and tags extracted via the Leiki API also some basic post meta information based on http://pending.schema.org/CreativeWork This plugin has been developed on top of Titan Framework http://www.titanframework.net/
To install this Leiki API WordPress Plugin using the built-in plugin installer: First download the .zip version from here and Go to Plugins > Add New > Upload Plugin and activate it
After getting the Leiki API Key active you need to put it on plugin settings page here Settings > Leiki API