I just started to learn about "Mule" - this makes me think of the language it offers to work with APIs (dataweave) - one might want to be able to have a way for

I just started to learn about "Mule" - this makes me think of the language it offers to work with APIs (dataweave) - one might want to be able to have a way for this language to be extended to allow web serving so that one could use it as a way to build new simpler APIs from lower level ones.