Remove a particular contact from the contact list
AI agents call removeContactFromList to permanently remove resources in Mailmodo — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Removing a contact from a list is a destructive action that cannot be easily undone — the association between the contact and the list is severed. While the contact record itself may still exist, the removal of list membership can affect campaign targeting and communication workflows irreversibly. This is more severe than a Write operation because the action deletes an existing relationship rather than modifying it.
From the tool's definition "Remove a particular contact from the contact list"
Attacks that exploit this kind of access
Remove a particular contact from the contact list. It is categorised as a Destructive tool in the Mailmodo MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mailmodo MCP server in PolicyLayer and add a rule for removeContactFromList: 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 Mailmodo. Nothing to install.
removeContactFromList is a Destructive 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 removeContactFromList 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 removeContactFromList. 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.
removeContactFromList is provided by the Mailmodo MCP server (mailmodo/mailmodo-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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