FWIW, if the need comes up again: https://github.com/mbeloshitsky/autolisp-json https://github.com/mbeloshitsky/autolisp-json Note it's only two years old, so

FWIW, if the need comes up again: https://github.com/mbeloshitsky/autolisp-json https://github.com/mbeloshitsky/autolisp-json Note it's only two years old, so wouldn't have helped last time ;-)