set_openai_ads_spend_window

SERVERHermoso SOURCEhttps://app.hermoso.ai/mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/hermoso/set-openai-ads-spend-window.md

WHAT IT DOES

What set_openai_ads_spend_window does on Hermoso

AI agents use set_openai_ads_spend_window 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.

RISK

Why set_openai_ads_spend_window is rated Medium

An AI agent can call set_openai_ads_spend_window 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.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_openai_ads_spend_window 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 set_openai_ads_spend_window, this is the rule to start with:

set_openai_ads_spend_window Rate-limited

set_openai_ads_spend_window 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_openai_ads_spend_window": {
      "limits": [
        {
          "counter": "set_openai_ads_spend_window_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every set_openai_ads_spend_window call is checked against it from then on.

FAQ

Questions about set_openai_ads_spend_window

What does the set_openai_ads_spend_window tool do? +

Create (no windowId) or edit (windowId) an account-level spend-limit window on ChatGPT Ads: startDate YYYY-MM-DD inclusive, endDate YYYY-MM-DD EXCLUSIVE (the window ends the day before), amount in the account currency (sent as micros), optional name and insertion-order id (ioId). A window is a CEILING on what the whole account may spend in that range; it never makes anything spend, and campaign budgets still apply underneath it. On edit, pass only the fields that change; a window whose canEdit is false (already started, per OpenAI) cannot be edited. Raising the amount lets campaigns spend up to their budgets, so show the user the old and new amounts. Reply carries the stored window (amount, spent so far, status). The live API serves this path since at least 2026-09-12 (it answered. 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.

How do I enforce a policy on set_openai_ads_spend_window? +

Register the Hermoso MCP server in PolicyLayer and add a rule for set_openai_ads_spend_window: 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.

What risk level is set_openai_ads_spend_window? +

set_openai_ads_spend_window is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_openai_ads_spend_window? +

Yes. Add a rate_limit block to the set_openai_ads_spend_window 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 set_openai_ads_spend_window completely? +

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

set_openai_ads_spend_window 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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