AI agents use create_keyword_plan_ad_group to create or update resources in Google Ads — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Ads environment.
The 'create_' prefix combined with the Google Ads API context indicates this tool creates a new keyword plan ad group, which is a reversible write operation—modifiable or deletable. Blast radius is medium: miscreation of ad groups wastes budget or clogs campaigns but doesn't irreversibly destroy data or move money.
From the tool's definition Tool name is 'create_keyword_plan_ad_group'; prefix 'create' indicates data creation. Server description states it 'enable[s] AI agents to manage campaigns, budgets, keywords' with 'structured MCP tools.' Sibling tools like 'create_ad_group_customizer',…
Documented attack patterns abuse exactly the kind of access create_keyword_plan_ad_group gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Google Ads, and nothing reaches the server without passing your rules. This is the rule we recommend for create_keyword_plan_ad_group:
{
"version": "1",
"default": "deny",
"tools": {
"create_keyword_plan_ad_group": {
"limits": [
{
"counter": "create_keyword_plan_ad_group_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_keyword_plan_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.
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create_keyword_plan_ad_group. It is categorised as a Write tool in the Google Ads MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Google Ads MCP server in PolicyLayer and add a rule for create_keyword_plan_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 Google Ads. Nothing to install.
create_keyword_plan_ad_group 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 create_keyword_plan_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.
Set action: deny in the PolicyLayer policy for create_keyword_plan_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.
create_keyword_plan_ad_group is provided by the Google Ads MCP server (promobase/google-ads-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Google Ads, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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59 Google Ads tools catalogued and risk-classified — across an index of 43,000+ MCP servers.