AI agents use gandi_mailbox_renew_mailbox to commit financial operations through Gandi — usually the final step of a payment, billing, or trading workflow. A call moves real money.
On the Gandi platform, renewing a mailbox typically incurs a charge or extends a paid subscription, placing this in the Financial category. However, the description is empty, which lowers confidence. If it merely triggers renewal (which commits financial obligation), Financial is the most severe applicable category. Severity is high given potential unintended financial commitments if misused.
From the tool's definition Tool name 'gandi_mailbox_renew_mailbox' — 'renew' implies a subscription or service renewal action on the Gandi platform, which typically involves billing/financial commitment.
Attacks that exploit this kind of access
gandi_mailbox_renew_mailbox. It is categorised as a Financial tool in the Gandi MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Gandi MCP server in PolicyLayer and add a rule for gandi_mailbox_renew_mailbox: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Gandi. Nothing to install.
gandi_mailbox_renew_mailbox is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the gandi_mailbox_renew_mailbox rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for gandi_mailbox_renew_mailbox. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
gandi_mailbox_renew_mailbox is provided by the Gandi MCP server (millsymills-com/gandi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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