Critical-risk tools in Open Paper Trading MCP
12 of the 44 tools in Open Paper Trading 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_toolDestructiveCancel all open option orders
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cancel_all_stock_orders_toolDestructiveCancel all open stock orders
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cancel_option_order_by_idDestructiveCancel a specific option order by its ID
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cancel_stock_order_by_idDestructiveCancel a specific stock order by its ID
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buy_option_limitFinancialPlace a limit buy order for an option
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buy_stockFinancialbuy_stock
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buy_stock_limitFinancialPlace a limit buy order for stocks
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option_credit_spreadFinancialoption_credit_spread
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option_debit_spreadFinancialoption_debit_spread
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sell_option_limitFinancialPlace a limit sell order for an option
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sell_stockFinancialsell_stock
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sell_stock_limitFinancialPlace a limit sell order for stocks
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.