Clients.cs

public static IEnumerable<Client> GetClients()
{
    return new List<Client>
    {
        new Client
        {
            ClientId = "mvc",
            ClientName = "MVC Client",
            AllowedGrantTypes = GrantTypes.HybridAndClientCredentials,

            RequireConsent = false,

            ClientSecrets =
            {
                new Secret("secret".Sha256())
            },

            RedirectUris = {"http://localhost:5002/signin-oidc"},
            PostLogoutRedirectUris = {"http://localhost:5002/signout-callback-oidc"},

            AllowedScopes =
            {
                IdentityServerConstants.StandardScopes.OpenId,
                IdentityServerConstants.StandardScopes.Profile,
                "Api1"
            },
            AllowOfflineAccess = true,
            AlwaysSendClientClaims = true,
            AlwaysIncludeUserClaimsInIdToken = true
        }
    };
}