off-topic: is there anything that aims to be a 'universal stdlib'? Something that lets you write eg some small spec about how your language operates and then it

off-topic: is there anything that aims to be a 'universal stdlib'? Something that lets you write eg some small spec about how your language operates and then it lets you add a fullblown polyglot batteries-included stdlib to your language? Would be a dream for language devs I imagine. I guess you could go pretty far by just linking to some C library probably though.