I believe WorldCat qualifies, although the API is not yet ready for general
release (but soon):
On 6/23/08 6/23/08 € 8:55 PM, "Godmar Back" <[log in to unmask]> wrote:
> are there any examples of functioning OpenSearch interfaces to library
> catalogs or library information systems?
> I'm specifically interested in those that not only advertise a text/html
> interface to their catalog, but who include OpenSearch response elements.
> One example I've found is Evergreen; though it's not clear to what extent
> this interface is used or implemented. For instance, their demo
> installation's OpenSearch description advertises an ATOM feed, but what's
> returned doesn't validate. (*)
> Are there other examples deployed (and does anybody know applications that
> consume OpenSearch feeds?)
> - Godmar
> (*) See, for instance:
> which is not a valid ATOM feed: