create_ad_creative · Claude Meta MCP: Risk & Policy

WHAT IT DOES

What create_ad_creative does on Claude Meta

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

WHY IT NEEDS A POLICY

Why create_ad_creative needs a policy

This tool creates advertising creative assets (images, videos, or link ads) which are reversible modifications to ad account data. It does not delete, execute arbitrary code, or move money, placing it in the Write category.

From the tool's definition Tool name 'create_ad_creative' and description 'Create a reusable ad creative' explicitly indicates creation of a new artifact. The context shows this is part of a Meta Ads connector managing advertising content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_ad_creative Rate-limited

create_ad_creative 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": {
    "create_ad_creative": {
      "limits": [
        {
          "counter": "create_ad_creative_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Claude Meta, so you can run agents against it safely.

FAQ

Questions about create_ad_creative

What does the create_ad_creative tool do? +

Create a reusable ad creative (link-ad with image, image-only, or video creative). Required for create_ad. It is categorised as a Write tool in the Claude Meta MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_ad_creative? +

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

What risk level is create_ad_creative? +

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

Can I rate-limit create_ad_creative? +

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

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

create_ad_creative is provided by the Claude Meta MCP server (maxx3250/claude-meta-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.