For our metagenomics pipeline I wrote a quick and dirty annotator script that can be found here and which might be useful for one or another.

https://github.com/fischuu/eggnog7_annotator

The purpose of the tool is that it takes protein sequences from gene predictions and annotates (in the sense of intersects) them with known proteins, their functions and taxonomic origin. That way, the tool can be used to shed a bit of light on plain protein sequences.

The current eggNOG annotator uses only the database version 5 and was not available for version 6. Now eggNOG 7 was pulbished and we thought within out MetaG pipeline group that it would be good to have a db7 annotator, so we added it to the pipeline and have from that also this stand-alone version linked here.