[Feature] Service registration [Webinos proposal] An application can register new services through a statement in the manifest file [Opera/CableLabs proposal] UA silently (i.e. in the background) handles discovery and registration of services from the local device, local network. UA also silently handles service discovery and registration on visited web sites. [Google Web Intents] To make a service (intent) discoverable it need to be registered in the UA through a simple API. The services Action, Type and URL to a web page that implements the service is registered. For example, in-page meta header registration syntax is collected as the user browses their web sites. [Google Web Introducer] 
To make a service (intent) discoverable it need to be registered in the UA through a simple API. The service's name, supported intent strings, icons, URLs to service pages are registered.