a gutter cleaning robot can traverse rain gutters to agitate and remove debris . the gutter cleaning robot is equipped with a debris auger at a front end that contacts and ejects the debris , and has a drive system for propelling the gutter cleaning robot along the rain gutter . the debris auger can include a spiral screw or various other forms of auger , and may be interchangeable by the user so as to enhance the effectiveness of the gutter cleaning robot in various environments or modes of operation .