I remember writing a Delphi application that spawned and used an agent, and even creating my own character when I was a teenager, so it surely wasn't that spars

I remember writing a Delphi application that spawned and used an agent, and even creating my own character when I was a teenager, so it surely wasn't that sparse. Reimplementations exist too: https://mklab.eu.org/clippy/ https://mklab.eu.org/clippy/