update_apple_ads_ad_account
Rename an Apple Ads ad account or change which advertiser resources it delegates — how you link App Store Connect (a CONTENT_PROVIDER / CPID) to an account that cannot yet advertise an app, or attach a brand for Apple Maps. WARNING: DELEGATIONS REPLACE RATHER THAN MERGE. The list you send becomes...
This record as markdown: /tools/hermoso/update-apple-ads-ad-account.md
What update_apple_ads_ad_account does on Hermoso
AI agents use update_apple_ads_ad_account to create or update resources in Hermoso, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Hermoso environment.
Why update_apple_ads_ad_account is rated Medium
An AI agent can call update_apple_ads_ad_account faster than any human can review: one bad instruction and it creates or modifies resources in Hermoso by the hundred, each call as confident as the last.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs update_apple_ads_ad_account 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 update_apple_ads_ad_account, this is the rule to start with:
update_apple_ads_ad_account 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every update_apple_ads_ad_account call is checked against it from then on.
Questions about update_apple_ads_ad_account
Rename an Apple Ads ad account or change which advertiser resources it delegates — how you link App Store Connect (a CONTENT_PROVIDER / CPID) to an account that cannot yet advertise an app, or attach a brand for Apple Maps. WARNING: DELEGATIONS REPLACE RATHER THAN MERGE. The list you send becomes the account’s ENTIRE delegation set and anything omitted is removed, so to ADD one, read the current set with get_apple_ads_ad_account, append to it, and send the whole list back. productFeatures cannot be changed and Apple ignores it on update — an App Store account can never be converted into an Apple Maps one; create a second ad account instead. currency, timeZone and paymentModel are immutable, inherited from the organization. Free. It is categorised as a Write tool in the Hermoso MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Hermoso MCP server in PolicyLayer and add a rule for update_apple_ads_ad_account: 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.
update_apple_ads_ad_account 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 update_apple_ads_ad_account 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 update_apple_ads_ad_account. 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.
update_apple_ads_ad_account 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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