The Daylight system has integrated web capabilities which allow access to Daylight tools via web browser. The "DayCGI toolkit" is not a rigorously defined API as is the dt_ function libraries, the true Daylight Toolkit. Rather, DayCGI programming means combining an assortment of Daylight and non-Daylight tools to deliver Daylight database and computational services via the web.
daybase.cgiweb application described and downloadable from
http://www.daylight.com/support/contrib/daycgi/. First find the web page and download required files as specified. Read the instructions provided in the comments of
/mug-cgi/has been defined corresponding to directory
/home/mug/cgi-bin/. Please create a self-named subdirectory to use for your CGI programming to avoid conflicting with other students.