Update an ad with new settings. Args: ad_id: Meta Ads ad ID name: New ad name status: Update ad status (ACTIVE, PAUSED, etc.) bid_amount: Bid amount in account currency (in cents for USD) tracking_specs: Optional tracking specifications (e.g., for pixel events). creative_id: ID of the creative to...
AI agents use update_ad to create or update resources in Meta Ads MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Meta Ads MCP environment.
update_ad creates or modifies data reversibly without deleting it. While it affects financial advertising spend (bid_amount), the primary action is data modification rather than moving money or committing financial obligations directly. The high severity reflects that misconfigured ad updates could significantly alter campaign performance, targeting, or spending, but the effect is correctable by updating again.
From the tool's definition Tool description states 'Update an ad with new settings' and permits modifying ad_id, name, status, bid_amount, tracking_specs, and creative_id. These are reversible modifications to advertising campaign data.
Documented attack patterns abuse exactly the kind of access update_ad gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Meta Ads MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for update_ad:
{
"version": "1",
"default": "deny",
"tools": {
"update_ad": {
"limits": [
{
"counter": "update_ad_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}update_ad 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.
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Update an ad with new settings. Args: ad_id: Meta Ads ad ID name: New ad name status: Update ad status (ACTIVE, PAUSED, etc.) bid_amount: Bid amount in account currency (in cents for USD) tracking_specs: Optional tracking specifications (e.g., for pixel events). creative_id: ID of the creative to associate with this ad (changes the ad's image/content) access_token: Meta API access token (optional - will use cached token if not provided). It is categorised as a Write tool in the Meta Ads MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Meta Ads MCP server in PolicyLayer and add a rule for update_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 Meta Ads MCP. Nothing to install.
update_ad 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_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 update_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.
update_ad is provided by the Meta Ads MCP server (pipeboard-co/meta-ads-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 42 Meta Ads MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
42 Meta Ads MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.