{"ok":true,"service":"spark-mcp-gateway","rate_limit":{"window_ms":60000,"max_per_min":60,"scoped_tools":["spark_get_fee_breakdown","spark_evaluate_plaid_signal"]},"api_key_required":false,"tools":["read_wallet_balances","get_vault_reserves","get_fee_metrics","get_market_quote","check_system_health","spark_get_fee_breakdown","spark_verify_treasury_link","spark_evaluate_plaid_signal"]}