I find I\'m often unsatisfied with the ordering and expressiveness of searches on https://www.npmjs.com/. I guess there should be a way to programmatically query the server
Take a look at sinopia registry interface: https://github.com/rlidwka/sinopia/blob/master/lib/index-api.js. The default registry for npm client is https://registry.npmjs.org (try it out on console: npm config ls -l). So you can try the following (referencing the sinopia API) to fetch data about react 15.0.2
https://registry.npmjs.org/react/15.0.2