I don't think there is out-of-the box type provider that would work with MySQL at the moment. However, Ross McKinlay has been working on a better type provider for SQL databases (more generally). It currently works with MS SQL server and SQL Lite.
It should be possible to write an extension to support MySQL with fairly small amount of work (but sadly, it has not been done yet). See his blog for details. I'm sure that contributions are welcome!