FWIW I'm building a multi-tool w/ 24 (and climbing) commands, 1300 lines of code, still starts, prints help, finishes in .218 seconds. Joker is fast.

[ANN] multi 1.4.0 https://github.com/hlship/multi • Tool-level docstring • Command names may be abbreviated if unique prefix • collect function, useful for repeatable options or arguments