List callout extension assets linked to a Google Ads
AI agents call google_ads_callouts_list to retrieve information from Mureo without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns callout extension assets without side effects. It is a read-only listing operation that fits the Read category. The blast radius of misuse is minimal: an attacker could enumerate existing callout assets to understand campaign structure, but cannot modify, delete, or execute actions. Low severity reflects the informational nature of asset enumeration.
From the tool's definition Tool name and description indicate it 'List[s] callout extension assets linked to a Google Ads' — a pure retrieval operation with no modification, deletion, or execution of external systems.
Documented attack patterns abuse exactly the kind of access google_ads_callouts_list gives an agent:
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 google_ads_callouts_list:
{
"version": "1",
"default": "deny",
"tools": {
"google_ads_callouts_list": {}
}
}google_ads_callouts_list is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List callout extension assets linked to a Google Ads. It is categorised as a Read tool in the Mureo MCP Server, which means it retrieves data without modifying state.
Register the Mureo MCP server in PolicyLayer and add a rule for google_ads_callouts_list: 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.
google_ads_callouts_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the google_ads_callouts_list 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 google_ads_callouts_list. 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.
google_ads_callouts_list 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.
Start from Mureo, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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185 Mureo tools catalogued and risk-classified — across an index of 43,000+ MCP servers.