You're talking to NetGrep, a search application running under GHEAR.

(GHEAR is the Generic HTTP-Enabled Application Responder.)

NetGrep allows you to monitor a search engines for specific terms, with reporting when new references occur, or to monitor the position of a given site for specific search terms.

Reporting commands that are recognized:

/monitors - list active Search Engine monitors
/trackers - list active Search Engine site position trackers
/monitor=[id] - status dump from monitor [id]
/tracker=[id] - status dump from tracker [id]
/monitorresults=[id] - dumps known URLs for a monitor or tracker
/trackhist=[id] - dumps history of site position changes for a tracker

You can also access several standard GHEAR functons:

/readme - displays this message.

/license - displays the licensing agreement under which this code is distributed.

/stats - displays runtime statistics.