slapd-monitor(5) on macOS

The text c058571edb29, as Mac OS X 10.7.5, Mac OS X 10.7.4, Mac OS X 10.7.3, Mac OS X 10.7.2, Mac OS X 10.7.1, Mac OS X 10.7 shipped it.

Monitor backend to slapd

slapd-monitor(5) on macOS now