{"authorization_endpoint":"https://app.sellfy.com/oauth/authorize","authorization_response_iss_parameter_supported":true,"client_id_metadata_document_supported":true,"code_challenge_methods_supported":["S256"],"grant_types_supported":["authorization_code","refresh_token"],"issuer":"https://app.sellfy.com","registration_endpoint":"https://app.sellfy.com/oauth/register","response_modes_supported":["query"],"response_types_supported":["code"],"revocation_endpoint":"https://app.sellfy.com/oauth/revoke","revocation_endpoint_auth_methods_supported":["none"],"scopes_supported":["mcp:read","mcp:write"],"token_endpoint":"https://app.sellfy.com/oauth/token","token_endpoint_auth_methods_supported":["none"]}