one time when the community asked for official API docs (among other times, but this one stuck in my mind), the answer was to the effect that the API was changing too fast to write down in a public facing doc
the limited goal of Snail was that I’d do my best to keep up, but realistically that would be a pretty slow pace. so I named it after an animal that’s known for moving slow.
oh and it lives in a shell too, which you might also say of a CLI tool 
these days the main parts of the API that Snail uses don’t change often, and I’ve kept up with it