Package MGRASTer is a wrapper for R language access to the API of the MG-RAST metagenome annotation engine, part of the US Department of Energy (DOE) Systems Biology Knowledge Base (KBase).

See: http://api.metagenomics.anl.gov
and: http://metagenomics.anl.gov
and: http://kbase.us

Key components are the functions:
call.MGRAST()
parse.MGRAST()
doc.MGRAST()