Low Risk

list_impression_share_reports

List all custom impression share reports with their status (QUEUED, RUNNING, COMPLETED, FAILED). Use to find previously created reports.

Part of the Apple Ads server.

list_impression_share_reports is read-only, but an agent in a loop can still rack up calls and cost. PolicyLayer caps every call before it runs. Live in minutes.

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AI agents call list_impression_share_reports to retrieve information from Apple Ads without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.

Even though list_impression_share_reports only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.

Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_impression_share_reports": {}
  }
}

See the full Apple Ads policy for all 54 tools.

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These attack patterns abuse exactly the kind of access list_impression_share_reports gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so list_impression_share_reports only ever does what you allow.

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Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.

What does the list_impression_share_reports tool do? +

List all custom impression share reports with their status (QUEUED, RUNNING, COMPLETED, FAILED). Use to find previously created reports.. It is categorised as a Read tool in the Apple Ads MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_impression_share_reports? +

Register the Apple Ads MCP server in PolicyLayer and add a rule for list_impression_share_reports: 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 Apple Ads. Nothing to install.

What risk level is list_impression_share_reports? +

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

Can I rate-limit list_impression_share_reports? +

Yes. Add a rate_limit block to the list_impression_share_reports 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_impression_share_reports completely? +

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

list_impression_share_reports is provided by the Apple Ads MCP server (apple-ads-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Apple Ads tool call.

Deterministic rules across all 54 Apple Ads tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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