preview_openai_ads_ad
Render a real preview of an existing ChatGPT Ads ad, so a human can LOOK at what will run instead of reading a list of ids back. Returns a hosted preview URL. THE LINK EXPIRES 24 HOURS AFTER IT IS CREATED — state that whenever you hand it to anyone, and generate a fresh one rather than re-sending...
This record as markdown: /tools/hermoso/preview-openai-ads-ad.md
What preview_openai_ads_ad does on Hermoso
AI agents invoke preview_openai_ads_ad to trigger actions in Hermoso. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why preview_openai_ads_ad is rated High
preview_openai_ads_ad triggers real processes with real consequences. An agent gone sideways doesn't fire it once. It starts dozens of builds, sends mass notifications, or burns through compute before anyone looks up.
Attacks that exploit this kind of access
The rule that runs preview_openai_ads_ad 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 preview_openai_ads_ad, this is the rule to start with:
preview_openai_ads_ad stays usable, but rate-capped: a runaway agent can't fire it dozens of times 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 preview_openai_ads_ad call is checked against it from then on.
Questions about preview_openai_ads_ad
Render a real preview of an existing ChatGPT Ads ad, so a human can LOOK at what will run instead of reading a list of ids back. Returns a hosted preview URL. THE LINK EXPIRES 24 HOURS AFTER IT IS CREATED — state that whenever you hand it to anyone, and generate a fresh one rather than re-sending an old one, because a dead link given to a client is worse than no link. Changes nothing about the ad; free. It is categorised as a Execute tool in the Hermoso MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Hermoso MCP server in PolicyLayer and add a rule for preview_openai_ads_ad: 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.
preview_openai_ads_ad is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the preview_openai_ads_ad 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 preview_openai_ads_ad. 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.
preview_openai_ads_ad 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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