meta_list_ad_rules

THE RISK

Low Risk

Why meta_list_ad_rules needs a policy

This tool retrieves information about existing ad rules without creating, modifying, deleting, or executing any actions. It has no side effects and poses minimal risk if accessed by an AI agent, as it only exposes data about rule configurations already in place. The single required argument (ad_account_id) is a simple identifier with no dangerous payload potential.

From the tool's definition Tool name is 'meta_list_ad_rules' and description states it 'Lists automated rules for an ad account.' The verb 'list' and action of retrieving/querying existing ad rules with no modification or side effects clearly indicates a read-only operation.

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

POLICY

How to control meta_list_ad_rules

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

policy.json

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

meta_list_ad_rules 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 Meta MCP Server — 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 →

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EXPLORE

Related tools and policies

More Meta MCP Server tools

Financial meta_create_adset Creates a new ad set within a campaign. Args: - ad_account_id (string): Ad account ID ( Financial meta_create_campaign Creates a new campaign in a Meta ad account. Args: - ad_account_id (string): Ad account Destructive meta_delete_ad Deletes an ad permanently. Args: - ad_id (string): Ad ID to delete Destructive meta_delete_ad_rule Deletes an automated ad rule. Args: - rule_id (string): Ad rule ID Destructive meta_delete_adset Deletes an ad set permanently. Args: - adset_id (string): Ad set ID to delete Destructive meta_delete_campaign Deletes (archives) a campaign. This cannot be undone. Args: - campaign_id (string): Cam Destructive meta_delete_comment Deletes a comment on a Facebook Page post. Permanent action. Args: - comment_id (string Destructive meta_delete_custom_audience Deletes a custom audience permanently. This cannot be undone. Args: - audience_id (stri

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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 →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about meta_list_ad_rules

What does the meta_list_ad_rules tool do? +

Lists automated rules for an ad account. Args: - ad_account_id (string): Ad account ID. It is categorised as a Read tool in the Meta MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on meta_list_ad_rules? +

Register the Meta MCP Server MCP server in PolicyLayer and add a rule for meta_list_ad_rules: 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 Meta MCP Server. Nothing to install.

What risk level is meta_list_ad_rules? +

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

Can I rate-limit meta_list_ad_rules? +

Yes. Add a rate_limit block to the meta_list_ad_rules 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_list_ad_rules completely? +

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

meta_list_ad_rules is provided by the Meta MCP Server MCP server (oliverames/meta-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Meta MCP Server tool call.

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

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