{"issuer": "https://secure.alterestate.com", "authorization_endpoint": "https://secure.alterestate.com/oauth/authorize/", "token_endpoint": "https://secure.alterestate.com/oauth/token/", "registration_endpoint": "https://secure.alterestate.com/oauth/register/", "scopes_supported": ["mcp"], "response_types_supported": ["code"], "grant_types_supported": ["authorization_code", "refresh_token"], "token_endpoint_auth_methods_supported": ["none", "client_secret_post"], "code_challenge_methods_supported": ["S256"]}