Package MGRASTer is a wrapper for R language access to the API of the MG-RAST Metagenomics Analysis Server. See: http://mg-rast.org and: http://api.mg-rast.org

Key components are the functions:

call.MGRAST()
parse.MGRAST()
doc.MGRAST()
auth.MGRAST()

CRAN (Comprehensive R Archive Network) hosts the package.