meta_ads_creatives_create_lead

Creates a Lead Ad AdCreative attached to a Meta Instant

SERVERMureo SOURCElogly/mureo

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/logly-mureo/meta-ads-creatives-create-lead.md

WHAT IT DOES

What meta_ads_creatives_create_lead does on Mureo

AI agents use meta_ads_creatives_create_lead to create or update resources in Mureo, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mureo environment.

RISK

Why meta_ads_creatives_create_lead is rated Medium

This tool creates new advertising creatives in Meta Ads, which is a reversible write operation. While it doesn't delete data (Destructive) or move money directly (Financial), the severity is elevated to 'high' because: (1) it directly impacts paid advertising spend by creating ad creatives that will be served to users, (2) an AI agent with unconstrained access could create misleading or harmful lead-generation ads…

From the tool's definition Tool name explicitly contains 'create' and description states 'Creates a Lead Ad AdCreative'. This is a create operation that modifies advertising data by generating new creative assets in Meta Ads.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs meta_ads_creatives_create_lead safely

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

meta_ads_creatives_create_lead Rate-limited

meta_ads_creatives_create_lead stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "meta_ads_creatives_create_lead": {
      "limits": [
        {
          "counter": "meta_ads_creatives_create_lead_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about meta_ads_creatives_create_lead

What does the meta_ads_creatives_create_lead tool do? +

Creates a Lead Ad AdCreative attached to a Meta Instant. It is categorised as a Write tool in the Mureo MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on meta_ads_creatives_create_lead? +

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

What risk level is meta_ads_creatives_create_lead? +

meta_ads_creatives_create_lead is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit meta_ads_creatives_create_lead? +

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

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

meta_ads_creatives_create_lead is provided by the Mureo MCP server (logly/mureo). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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