A command-line tool for screening SSU (Small Subunit ribosomal RNA) sequences in genomic and transcriptomic data. This tool helps identify and classify SSU sequences using phylogenetic placement in SSU reference packages built from PR2 via pplacer.

Features include automated SSU screening using BLAST, MAFFT, and pplacer, phylogenetic placement for contamination screening and approximate taxonomic classification, and a command-line interface for easy integration into pipelines.