estimate_messenger_marketing_delivery

SERVERHermoso SOURCEhttps://app.hermoso.ai/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/hermoso/estimate-messenger-marketing-delivery.md

WHAT IT DOES

What estimate_messenger_marketing_delivery does on Hermoso

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

RISK

Why estimate_messenger_marketing_delivery is rated Low

Even though estimate_messenger_marketing_delivery only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs estimate_messenger_marketing_delivery safely

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

estimate_messenger_marketing_delivery Allowed

estimate_messenger_marketing_delivery 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": {
    "estimate_messenger_marketing_delivery": {}
  }
}

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

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

FAQ

Questions about estimate_messenger_marketing_delivery

What does the estimate_messenger_marketing_delivery tool do? +

Meta’s own estimate of how many marketing messages a budget would deliver from a Page and what it would cost, before anything is created. Free. Meta marks the metric “in development”, so treat it as a range. It is categorised as a Read tool in the Hermoso MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on estimate_messenger_marketing_delivery? +

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

What risk level is estimate_messenger_marketing_delivery? +

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

Can I rate-limit estimate_messenger_marketing_delivery? +

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

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

estimate_messenger_marketing_delivery is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Hermoso, and thousands of servers like it.

This server

All 896 Hermoso tools →

Across the catalogue

aiva_get_delivery_schedule on AIVA MCP Server → The MCP Attack Database →

Guides

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