Creates an ad creative from an existing Facebook Page post. Args: - ad_account_id (string): Ad account ID - name (string): Creative name - page_id (string): Facebook Page ID that owns the post - object_story_id (string, optional): Use an existing published post as creative (format: {page_id}_{pos...
AI agents use meta_create_ad_creative to create or update resources in Meta MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Meta MCP Server environment.
This tool creates new ad assets that will be stored and potentially used in advertising campaigns. While not directly financial (no money moves), it is a write operation that generates marketing content at scale. The high severity reflects that a compromised agent could create misleading, defamatory, or brand-damaging ad creatives across an organization's ad accounts.
From the tool's definition Tool creates an ad creative asset via 'Creates an ad creative' description and returns a new creative ID, representing irreversible creation of marketing content.
Documented attack patterns abuse exactly the kind of access meta_create_ad_creative gives an agent:
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_create_ad_creative:
{
"version": "1",
"default": "deny",
"tools": {
"meta_create_ad_creative": {
"limits": [
{
"counter": "meta_create_ad_creative_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}meta_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.
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Creates an ad creative from an existing Facebook Page post. Args: - ad_account_id (string): Ad account ID - name (string): Creative name - page_id (string): Facebook Page ID that owns the post - object_story_id (string, optional): Use an existing published post as creative (format: {page_id}_{post_id}) - title (string, optional): Ad headline - body (string, optional): Ad body text - image_url (string, optional): Image URL for the creative - link_url (string, optional): Destination URL Returns the new creative ID. It is categorised as a Write tool in the Meta MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Meta MCP Server MCP server in PolicyLayer and add a rule for meta_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 Meta MCP Server. Nothing to install.
meta_create_ad_creative is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the meta_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.
Set action: deny in the PolicyLayer policy for meta_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.
meta_create_ad_creative 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.
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.
Free to start. No card required.
200 Meta MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.