cancel_send

A destructive tool on the Mailchimp MCP server.

SERVERMailchimp MCP SOURCEdamientilman/mailchimp-mcp-server

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/damientilman-mailchimp-mcp-server/cancel-send.md

WHAT IT DOES

What cancel_send does on Mailchimp MCP

AI agents call cancel_send to permanently remove resources in Mailchimp MCP, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why cancel_send is rated Critical

The name 'cancel_send' strongly implies cancelling a campaign send operation in Mailchimp, which is an irreversible action — once cancelled, a scheduled or in-progress campaign send cannot be resumed from where it left off. This maps to Destructive. Confidence is moderate due to the empty description, but the context of a Mailchimp server and sibling tools like 'create_campaign' supports this interpretation.

From the tool's definition Tool name 'cancel_send' on a Mailchimp MCP server. Description is empty and uninformative.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs cancel_send safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mailchimp MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For cancel_send, this is the rule to start with:

cancel_send Hidden

cancel_send is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "cancel_send"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mailchimp MCP, apply this rule, and every cancel_send call is checked against it from then on.

FAQ

Questions about cancel_send

What does the cancel_send tool do? +

cancel_send is a destructive tool on the Mailchimp MCP server. It is categorised as a Destructive tool in the Mailchimp MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on cancel_send? +

Register the Mailchimp MCP server in PolicyLayer and add a rule for cancel_send: 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 Mailchimp MCP. Nothing to install.

What risk level is cancel_send? +

cancel_send is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit cancel_send? +

Yes. Add a rate_limit block to the cancel_send 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.

How do I block cancel_send completely? +

Set action: deny in the PolicyLayer policy for cancel_send. 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.

What MCP server provides cancel_send? +

cancel_send is provided by the Mailchimp MCP server (damientilman/mailchimp-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Mailchimp, and thousands of servers like it.

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