Hi this is my first attempt to use MustacheJS with a JSON webservice in .net
Currently I am struggling I can\'t seem to find what I am doing wrong setting this basic
short answer: YES
long answer: for security reasons [1], you need to wrap your JSON aray in an object anyways. for Mustache or any other library to be able to access your array you need to have at least one parent key on which you can base your iterator.
The "repo" key on your sample is the helper you need to tell mustache "go and iterate on the array that is inside the repo key", otherwise you have no way to tell the template what you want to output where
[1] this is just one of many resources you can find about why you need to wrap your JSON response in an object http://incompleteness.me/blog/2007/03/05/json-is-not-as-safe-as-people-think-it-is/