is a script for checking the state of one or more Postgres databases and reporting back in a Nagios-friendly manner. It was developed by Greg Sabino Mullane of End Point Corporation and is BSD-licensed. The latest version is 2.22.0, and was released on June 30, 2015.

The latest development version can be downloaded via git:

  git clone

Two mailing lists are available. For discussions about the program, bug reports, feature requests, and commit notices, use the 'check_postgres' list. A low-volume list for announcement of new versions and important notices is the 'check_postgres-announce' list.