google_ads_negative_keywords_add_to_ad_group

THE RISK

Medium Risk

Why google_ads_negative_keywords_add_to_ad_group needs a policy

This tool writes new data (negative keywords) to Google Ads, reversibly modifying ad group settings. It does not delete, execute arbitrary code, or move money, so Write is the correct category. Severity is medium because misuse could degrade ad campaign performance by blocking legitimate search terms, but changes are reversible through the update/delete tools that typically accompany such systems.

From the tool's definition 'Adds one or more ad group-level negative keywords' — the tool creates/inserts new negative keyword records in Google Ads, modifying ad group configuration.

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

POLICY

How to control google_ads_negative_keywords_add_to_ad_group

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_negative_keywords_add_to_ad_group:

policy.json

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

google_ads_negative_keywords_add_to_ad_group 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.
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FAQ

Questions about google_ads_negative_keywords_add_to_ad_group

What does the google_ads_negative_keywords_add_to_ad_group tool do? +

Adds one or more ad group-level negative keywords. Scope is. 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 google_ads_negative_keywords_add_to_ad_group? +

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

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

Can I rate-limit google_ads_negative_keywords_add_to_ad_group? +

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

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

google_ads_negative_keywords_add_to_ad_group 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 →