In graph.cool playground, I can call the mutations that I wrote that call generated mutations, but I can't call the generated mutations themselves.

I don't understand your question - could you create a new thread here including more context: https://www.graph.cool/forum/c/questions? 🙂

It was

graphcool token dev

I was looking for

ok! 🙂 note that root tokens should not be used client-side, ever