Critical-risk tools in Open Stocks MCP
31 of the 152 tools in Open Stocks MCP are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at critical risk
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cancel_all_option_orders_toolDestructiveCancels all open option orders.
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cancel_all_stock_orders_toolDestructiveCancels all open stock orders.
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cancel_option_order_by_idDestructiveCancels a specific option order.
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cancel_stock_order_by_idDestructiveCancels a specific stock order.
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remove_from_watchlistDestructiveRemoves symbols from a watchlist.
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schwab_cancel_all_option_ordersDestructiveCancel all open option orders for a Schwab account.
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schwab_cancel_all_stock_ordersDestructiveCancel all open equity orders for a Schwab account.
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schwab_cancel_option_orderDestructiveCancel a specific option order.
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schwab_cancel_orderDestructiveCancel a specific Schwab order.
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schwab_order_sell_stopFinancialPlace a stop sell order for stock.
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sell_stock_stop_lossFinancialPlaces a stop loss sell order for a stock.
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buy_option_limitFinancialPlaces a limit buy order for an option.
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buy_stock_limitFinancialPlaces a limit buy order for a stock.
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buy_stock_marketFinancialPlaces a market buy order for a stock.
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option_credit_spreadFinancialoption_credit_spread
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option_debit_spreadFinancialoption_debit_spread
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schwab_buy_stock_limitFinancialPlace a limit buy order for stock.
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schwab_buy_stock_marketFinancialPlace a market buy order for stock.
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schwab_order_buy_option_limitFinancialschwab_order_buy_option_limit
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schwab_order_option_credit_spreadFinancialschwab_order_option_credit_spread
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schwab_order_option_debit_spreadFinancialschwab_order_option_debit_spread
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schwab_order_sell_option_limitFinancialschwab_order_sell_option_limit
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schwab_place_orderFinancialPlace a generic Schwab order using a raw order specification.
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schwab_sell_stock_limitFinancialPlace a limit sell order for stock.
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schwab_sell_stock_marketFinancialPlace a market sell order for stock.
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sell_option_limitFinancialPlaces a limit sell order for an option.
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sell_stock_limitFinancialPlaces a limit sell order for a stock.
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sell_stock_marketFinancialPlaces a market sell order for a stock.
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schwab_option_buy_to_openFinancialBuy an option to open a position (Schwab).
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schwab_option_sell_to_closeFinancialSell an option to close a position (Schwab).
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schwab_replace_orderFinancialReplace (modify) an existing Schwab order.
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.