meta_ads_ads_list

THE RISK

Low Risk

Why meta_ads_ads_list needs a policy

This is a straightforward read operation that queries and returns ad information from Meta Ads. There is no data creation, modification, deletion, code execution, or financial transaction involved. The severity is low because listing ads poses minimal risk even if misused by an AI agent — it only exposes advertising account contents without the ability to alter campaigns, spend money, or trigger external operations.

From the tool's definition Tool name includes 'list' and description states 'Lists ads in a Meta Ads account, optionally scoped to one ad' — purely retrieves/queries data with no modification or side effects.

Documented attack patterns abuse exactly the kind of access meta_ads_ads_list gives an agent:

POLICY

How to control meta_ads_ads_list

PolicyLayer is an MCP gateway — it sits between your AI agents and Mureo, and nothing reaches the server without passing your rules. This is the rule we recommend for meta_ads_ads_list:

policy.json

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

meta_ads_ads_list is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mureo — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
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FAQ

Questions about meta_ads_ads_list

What does the meta_ads_ads_list tool do? +

Lists ads in a Meta Ads account, optionally scoped to one ad. It is categorised as a Read tool in the Mureo MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on meta_ads_ads_list? +

Register the Mureo MCP server in PolicyLayer and add a rule for meta_ads_ads_list: 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_ads_list? +

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

Can I rate-limit meta_ads_ads_list? +

Yes. Add a rate_limit block to the meta_ads_ads_list 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_ads_list completely? +

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

meta_ads_ads_list 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.

Enforce policy on every Mureo tool call.

Start from Mureo, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →