meta_ads_videos_upload

THE RISK

Medium Risk

Why meta_ads_videos_upload needs a policy

This tool creates new video assets in a Meta Ads account, which is a write operation that modifies advertising content. While not destructive (reversible) and not directly moving money, it directly affects ad campaigns and has high blast radius if misused by an agent (e.g., uploading inappropriate content, overwriting campaigns, wasting budget through unvetted ads).

From the tool's definition Tool name includes 'upload' and description states 'Uploads a video to the Meta Ads account', indicating creation/modification of ad content in a financial/commercial platform.

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

POLICY

How to control meta_ads_videos_upload

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_videos_upload:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "meta_ads_videos_upload": {
      "limits": [
        {
          "counter": "meta_ads_videos_upload_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

meta_ads_videos_upload 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.

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.

LIMIT THIS TOOL →

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about meta_ads_videos_upload

What does the meta_ads_videos_upload tool do? +

Uploads a video to the Meta Ads account by fetching it from. It is categorised as a Write tool in the Mureo MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on meta_ads_videos_upload? +

Register the Mureo MCP server in PolicyLayer and add a rule for meta_ads_videos_upload: 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_videos_upload? +

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

Can I rate-limit meta_ads_videos_upload? +

Yes. Add a rate_limit block to the meta_ads_videos_upload 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_videos_upload completely? +

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

meta_ads_videos_upload 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 →