var configuration = new RegistryClientConfiguration("https://localhost:5000");
//configuration.UsePasswordOAuthAuthentication("username", "password")
using (var client = configuration.CreateClient())
{
    // get catalog
    var catalog = await client.Catalog.GetCatalog();
    // list tags for the first catalog
    var tags = await client.Tags.ListTags(catalog?.Repositories.FirstOrDefault());
}

var configuration = new RegistryClientConfiguration("https://proget.mycompany.com");
configuration.UsePasswordOAuthAuthentication("username", "password");
using (var client = configuration.CreateClient())
{
    // get catalog
    var catalog = await client.Catalog.GetCatalog();
    // list tags for the first catalog
    var tags = await client.Tags.ListTags(catalog?.Repositories.FirstOrDefault());
}

var configuration = new RegistryClientConfiguration("https://hub.docker.com");
using (var client = configuration.CreateClient())
{
    // load respository
    var tags = await client.Repository.ListRepositoryTags("grafana", "loki-docker-driver");
}