Critical-risk tools in OpenPrints MCP
3 of the 9 tools in OpenPrints 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_orderDestructiveCancel an in-progress OpenPrints order and issue a full refund to the pre-paid account balance. Only orders that have not yet entered production can be cancelled. This action is...
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create_orderFinancialSubmit a print order to OpenPrints for production. Charges the pre-paid account balance and sends to print immediately. Requires a product_id, at least one of design_id or desig...
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topup_balanceFinancialGenerate a Stripe Checkout URL so the user can top up their OpenPrints pre-paid account balance. Present the returned URL to the user — they must open it in their browser to com...
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.