[mdx] [gn3-jra3-t2] Querying a list of Identity Providers from the Metadata Aggregator

[Scott Cantor]

> There is perhaps one argument for spec:ing out a JSON representation
> and that is to allow javascript discovery libraries to avoid being
> tied to a single aggregator vendor.

My suggestion was not to produce the JSON at the aggregator end, but at the
discovery end. If you're talking batch files like this, they're not going to
be loaded on demand, so you can script a download and run a transform
locally.

-- Scott