Critical-risk tools in Mailgent MCP Server
10 of the 45 tools in Mailgent MCP Server 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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calendar_deleteDestructiveDelete a calendar event
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identities_deleteDestructivePermanently delete an identity and all its data (inbox, vault, logs)
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mail_delete_messageDestructiveDelete a single message from the inbox
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mail_delete_ruleDestructiveDelete an email allow/block rule by its ID
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mail_delete_threadDestructiveDelete an entire thread and all its messages
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payments_mandates_revokeDestructiveRevoke a mandate. The on-chain session key is not uninstalled (manual via Console if needed); settled payments are unaffected.
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vault_deleteDestructiveRemove a credential from the vault
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payments_activityFinancialBank-statement-style merged feed of payments sent (direction:
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payments_mandates_createFinancialCreate the spend policy for this identity
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payments_payFinancialPay an x402-priced URL in USDC under this identity
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.