I have mkcd exactly ( I wonder how many of us do, it's so obvious)
I have almost the same, but differently named with scratch(day), copy(xc), markdown quote(blockquote), murder, waitfor, tryna, etc.
I used to use telegram-send with a custom notification sounnd a lot for notifications from long-running scripts if I walked away from the laptop.
I used to have one called timespeak that would speak the time to me every hour or half hour.
I have go_clone that clones a repo into GOPATH which I use for organising even non-go projects long after putting go projects in GOPATH stopped being needed.
I liked writing one-offs, and I don't think it's premature optimization because I kept getting faster at it.
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