NCBI EGQuery Provides the number of records retrieved in all Entrez databases by a single text query.

ncbi_eutils_egquery

Version	Tool Shed	Owner	Galaxy instances where the tool is available
1.70+galaxy2	toolshed.g2.bx.psu.edu	iuc	usegalaxy.no
1.70	toolshed.g2.bx.psu.edu	iuc	usegalaxy.no
1.3	toolshed.g2.bx.psu.edu	iuc	usegalaxy.no
1.2	toolshed.g2.bx.psu.edu	iuc	usegalaxy.eu usegalaxy.no
1.1	toolshed.g2.bx.psu.edu	iuc	usegalaxy.eu