Critical-risk tools in Wise
4 of the 20 tools in Wise 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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delete_recipientDestructive 4/5Delete (deactivate) a recipient account
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cancel_transferFinancial 5/5Cancel a transfer (only possible if not yet completed)
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create_transferFinancial 5/5Create a new transfer. Requires a quote ID and recipient account ID. The customerTransactionId ensures idempotency — reuse the same value when retrying a failed request to avoid...
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fund_transferFinancial 5/5Fund a transfer from your Wise balance. NOTE: This may NOT work with personal tokens in EU/UK due to PSD2 regulations.
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 Wise
Enforce policy on Wise
One command generates a policy scaffold for every server in your MCP config.
npx -y @policylayer/intercept init