s-xml-rpc
s-xml-rpc (https://common-lisp.net/project/s-xml-rpc) is an implementation of the XML-RPC protocol in Common Lisp for both client and server.

Originally it was written by Sven Van Caekenberghe. It is now being maintained by Sven Van Caekenberghe, Rudi Schlatte and Brian Mastenbrook.

Repository: https://gitlab.com/ambrevar/s-xml-rpc