meta.campaigns.update_budget · Ads MCP: Risk & Policy

WHAT IT DOES

What meta.campaigns.update_budget does on Ads

AI agents use meta.campaigns.update_budget to create or update resources in Ads — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ads environment.

WHY IT NEEDS A POLICY

Why meta.campaigns.update_budget needs a policy

This tool modifies campaign settings (budget) on Meta's advertising platform. While it changes data, the action is reversible—budgets can be adjusted again or restored. It does not delete data (would be Destructive), execute arbitrary code (would be Execute), or move money directly (would be Financial).

From the tool's definition Tool name 'meta.campaigns.update_budget' and description 'Update a Meta campaign' indicate modification of campaign configuration.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

meta.campaigns.update_budget Rate-limited

meta.campaigns.update_budget 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": {
    "meta.campaigns.update_budget": {
      "limits": [
        {
          "counter": "meta.campaigns.update_budget_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Ads, so you can run agents against it safely.

FAQ

Questions about meta.campaigns.update_budget

What does the meta.campaigns.update_budget tool do? +

Update a Meta campaign. It is categorised as a Write tool in the Ads MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on meta.campaigns.update_budget? +

Register the Ads MCP server in PolicyLayer and add a rule for meta.campaigns.update_budget: 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 Ads. Nothing to install.

What risk level is meta.campaigns.update_budget? +

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

Can I rate-limit meta.campaigns.update_budget? +

Yes. Add a rate_limit block to the meta.campaigns.update_budget 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 meta.campaigns.update_budget completely? +

Set action: deny in the PolicyLayer policy for meta.campaigns.update_budget. 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 meta.campaigns.update_budget? +

meta.campaigns.update_budget is provided by the Ads MCP server (manlikemuneeb/ads-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.