You can clone with
HTTPS or Subversion.
http://api.clojuredocs.org/ has a link to cd-client which has since been renamed to clojuredocs-client to make it easier to find on github.
The new link is: https://github.com/dakrone/clojuredocs-client
I would make this change myself, but I was unable to locate the page that's being served.
Fixed this in the https://github.com/dakrone/cd-wsapi/ project and updated the web page at http://api.clojuredocs.org/index.html