Critical-risk tools in PayPal
5 of the 30 tools in PayPal 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_sent_invoiceDestructive 4/5Cancel a sent invoice
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cancel_subscriptionDestructive 5/5Cancel an active subscription
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create_refundFinancial 5/5Process a refund for a captured payment
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pay_orderFinancial 5/5Process payment for an authorised order
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send_invoiceFinancial 5/5Send an invoice to recipients
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.
More on PayPal
Enforce policy on PayPal
One command generates a policy scaffold for every server in your MCP config.
npx -y @policylayer/intercept init