Search Impression Share, Lost IS (Budget), and Lost IS (Rank) per campaign. Identifies whether budget or Quality Score/bid is limiting reach.
AI agents call gads_impression_share to retrieve information from Google Ads without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs data retrieval and analysis only. It fetches impression share metrics and diagnostic data about budget and rank limitations, enabling analysis of campaign performance. There are no side effects, no data modifications, no code execution, no deletions, and no financial operations.
From the tool's definition The tool retrieves 'Search Impression Share, Lost IS (Budget), and Lost IS (Rank) per campaign' — it queries campaign performance metrics and analytics data without modifying, executing operations, or committing any financial transactions.
Attacks that exploit this kind of access
Search Impression Share, Lost IS (Budget), and Lost IS (Rank) per campaign. Identifies whether budget or Quality Score/bid is limiting reach. It is categorised as a Read tool in the Google Ads MCP Server, which means it retrieves data without modifying state.
Register the Google Ads MCP server in PolicyLayer and add a rule for gads_impression_share: 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.
gads_impression_share 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 gads_impression_share 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 gads_impression_share. 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.
gads_impression_share is provided by the Google Ads MCP server (zleventer/google-ads-mcp-npm). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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