meta_get_page_cta

THE RISK

Low Risk

Why meta_get_page_cta needs a policy

This tool queries and retrieves the existing call-to-action configuration from a Facebook Page. It performs no mutations, executions, or destructive operations. The only argument required is a page_id, which constrains the blast radius to reading public or authorized page metadata. Misuse would result in information disclosure at worst, not unauthorized actions or data loss.

From the tool's definition Tool name 'meta_get_page_cta' with description 'Gets the call-to-action button configured on a Facebook Page.' The verb 'Gets' and the absence of any modification, creation, or deletion language indicate this is a retrieval operation with no side effects.

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

POLICY

How to control meta_get_page_cta

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_get_page_cta:

policy.json

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

meta_get_page_cta 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.

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EXPLORE

Related tools and policies

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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_get_page_cta

What does the meta_get_page_cta tool do? +

Gets the call-to-action button configured on a Facebook Page. Args: - page_id (string): Facebook Page 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_get_page_cta? +

Register the Meta MCP Server MCP server in PolicyLayer and add a rule for meta_get_page_cta: 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_get_page_cta? +

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

Can I rate-limit meta_get_page_cta? +

Yes. Add a rate_limit block to the meta_get_page_cta 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_get_page_cta completely? +

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

meta_get_page_cta 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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