list_promo_codes

A read tool on the Mailchimp MCP server.

SERVERMailchimp MCP SOURCEdamientilman/mailchimp-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/damientilman-mailchimp-mcp-server/list-promo-codes.md

WHAT IT DOES

What list_promo_codes does on Mailchimp MCP

AI agents call list_promo_codes to retrieve information from Mailchimp MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_promo_codes is rated Low

The 'list_' prefix is a strong indicator of a retrieval operation with no side effects. Listing promotional codes retrieves marketing metadata without modifying, deleting, or executing external operations. Even if codes were listed, this represents a read-only query. Low severity because disclosure of promo code metadata poses minimal risk compared to financial or destructive operations.

From the tool's definition Tool name 'list_promo_codes' indicates retrieval/query of promotional code data. Description is empty, which reduces confidence slightly, but the 'list' prefix strongly suggests a read-only operation consistent with sibling tools like batch_subscribe and…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_promo_codes 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 list_promo_codes, this is the rule to start with:

list_promo_codes Allowed

list_promo_codes is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_promo_codes": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about list_promo_codes

What does the list_promo_codes tool do? +

list_promo_codes is a read tool on the Mailchimp MCP server. It is categorised as a Read tool in the Mailchimp MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_promo_codes? +

Register the Mailchimp MCP server in PolicyLayer and add a rule for list_promo_codes: 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 list_promo_codes? +

list_promo_codes is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_promo_codes? +

Yes. Add a rate_limit block to the list_promo_codes 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 list_promo_codes completely? +

Set action: deny in the PolicyLayer policy for list_promo_codes. 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 list_promo_codes? +

list_promo_codes 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.

This server

All 227 Mailchimp tools →

Across the catalogue

aiva_list_affiliates on AIVA MCP Server →list_agents on 0rca Dojo MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →