list_creatives_by_advertiser

THE RISK

Low Risk

Why list_creatives_by_advertiser needs a policy

The tool performs a query/list operation to retrieve existing creative data associated with an advertiser. Even though the description is empty, the semantic meaning of 'list_creatives' is unambiguously a read-only retrieval operation with no side effects. The advertiser context is simply a filter parameter.

From the tool's definition Tool name 'list_creatives_by_advertiser' indicates retrieval of creative assets filtered by advertiser; no modification, execution, or deletion described or implied.

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

POLICY

How to control list_creatives_by_advertiser

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

policy.json

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

list_creatives_by_advertiser 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 Google Ad Manager 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 →

Free to start. No card required.

EXPLORE

Related tools and policies

More Google Ad Manager MCP Server tools

Execute run_custom_report run_custom_report Execute run_inventory_report run_inventory_report Write associate_creative_with_line_item associate_creative_with_line_item Write duplicate_line_item duplicate_line_item Write find_or_create_advertiser find_or_create_advertiser Write find_or_create_order find_or_create_order Write pause_line_item pause_line_item Write approve_line_item approve_line_item

All 35 Google Ad Manager MCP Server tools →

Read tools on other servers

M-Team MCP Server get_torrent_detail YouTube MCP Server search_channel Android Forensics ADB MCP Server parse_browser_history 0xarchive web3_challenge

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 list_creatives_by_advertiser

What does the list_creatives_by_advertiser tool do? +

list_creatives_by_advertiser. It is categorised as a Read tool in the Google Ad Manager MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_creatives_by_advertiser? +

Register the Google Ad Manager MCP Server MCP server in PolicyLayer and add a rule for list_creatives_by_advertiser: 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 Google Ad Manager MCP Server. Nothing to install.

What risk level is list_creatives_by_advertiser? +

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

Can I rate-limit list_creatives_by_advertiser? +

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

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

list_creatives_by_advertiser is provided by the Google Ad Manager MCP Server MCP server (matiouscorp/google-ad-manager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Google Ad Manager MCP Server tool call.

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

CHECK YOUR STACK →