Critical-risk tools in Resend
6 of the 44 tools in Resend 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-emailDestructive 4/5Cancel a scheduled email
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remove-api-keyDestructive 5/5Remove an API key
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remove-broadcastDestructive 4/5Remove a broadcast campaign
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remove-contactDestructive 4/5Remove a contact from an audience
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remove-segmentDestructive 4/5Remove an audience segment
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remove-topicDestructive 4/5Remove a subscription topic
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 Resend
Enforce policy on Resend
One command generates a policy scaffold for every server in your MCP config.
npx -y @policylayer/intercept init