check_apple_ads_app_eligibility
Ask Apple whether an app may be advertised at all, PER PLACEMENT AND PER COUNTRY — the check Apple tells you to run before building a campaign around an app. Each row is ELIGIBLE or INELIGIBLE for one combination of placement, country or region and device class, with the minimum age rating for th...
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What check_apple_ads_app_eligibility does on Hermoso
AI agents call check_apple_ads_app_eligibility to retrieve information from Hermoso without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why check_apple_ads_app_eligibility is rated Low
Even though check_apple_ads_app_eligibility only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs check_apple_ads_app_eligibility safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Hermoso, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For check_apple_ads_app_eligibility, this is the rule to start with:
check_apple_ads_app_eligibility is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every check_apple_ads_app_eligibility call is checked against it from then on.
Questions about check_apple_ads_app_eligibility
Ask Apple whether an app may be advertised at all, PER PLACEMENT AND PER COUNTRY — the check Apple tells you to run before building a campaign around an app. Each row is ELIGIBLE or INELIGIBLE for one combination of placement, country or region and device class, with the minimum age rating for that market. A campaign targeting a country the app is INELIGIBLE in simply will not deliver there and nothing in the campaign build says so, so this is how you find out for free beforehand. adamId is REQUIRED. NO ROWS IS NOT THE SAME AS INELIGIBLE — it usually means the app is not owned by this organization; report that distinction rather than presenting it as a refusal. Read-only, free. It is categorised as a Read tool in the Hermoso MCP Server, which means it retrieves data without modifying state.
Register the Hermoso MCP server in PolicyLayer and add a rule for check_apple_ads_app_eligibility: 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 Hermoso. Nothing to install.
check_apple_ads_app_eligibility 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 check_apple_ads_app_eligibility 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 check_apple_ads_app_eligibility. 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.
check_apple_ads_app_eligibility is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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