Install cl-yason by entering the following commands in the terminal:
sudo apt update sudo apt install cl-yason
JSON encoder/decoder for Common Lisp
YASON is a Common Lisp library for encoding and decoding data in the JSON interchange format. JSON is used as a lightweight alternative to XML. YASON has the sole purpose of encoding and decoding data and does not impose any object model on the Common Lisp application that uses it.