meta_update_adset

ServerMeta MCP Server
CategoryWrite

WHAT IT DOES

What meta_update_adset does on Meta MCP Server

AI agents use meta_update_adset to create or update resources in Meta MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Meta MCP Server environment.

THE RISK

Medium Risk

Why meta_update_adset needs a policy

This tool creates or modifies data reversibly—hallmarks of the Write category. It alters ad set properties (budget, status, timing) but does not delete or irreversibly destroy data.

From the tool's definition Tool description states 'Updates an existing ad set' with mutable fields including name, status, daily_budget, and end_time. These are reversible modifications to advertising campaign configuration.

Documented attack patterns abuse exactly the kind of access meta_update_adset gives an agent:

POLICY

How to control meta_update_adset

PolicyLayer is an MCP gateway — it sits between your AI agents and Meta MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for meta_update_adset:

policy.json

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

meta_update_adset 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.

Create a free account and register Meta MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More Meta MCP Server tools

Financial meta_create_adset Creates a new ad set within a campaign. Args: - ad_account_id (string): Ad account ID ( Financial meta_create_campaign Creates a new campaign in a Meta ad account. Args: - ad_account_id (string): Ad account Destructive meta_delete_ad Deletes an ad permanently. Args: - ad_id (string): Ad ID to delete Destructive meta_delete_ad_rule Deletes an automated ad rule. Args: - rule_id (string): Ad rule ID Destructive meta_delete_adset Deletes an ad set permanently. Args: - adset_id (string): Ad set ID to delete Destructive meta_delete_campaign Deletes (archives) a campaign. This cannot be undone. Args: - campaign_id (string): Cam Destructive meta_delete_comment Deletes a comment on a Facebook Page post. Permanent action. Args: - comment_id (string Destructive meta_delete_custom_audience Deletes a custom audience permanently. This cannot be undone. Args: - audience_id (stri

All 200 Meta MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about meta_update_adset

What does the meta_update_adset tool do? +

Updates an existing ad set. Only provided fields are changed. Args: - adset_id (string): Ad set ID to update - name (string, optional): New name - status (string, optional): ACTIVE, PAUSED, or ARCHIVED - daily_budget (number, optional): New daily budget in cents - end_time (string, optional): New end time ISO 8601 - placement_soft_opt_out (string[], optional): Placements to soft opt-out (up to 5% spend may still go to these). Only for Sales/Leads objectives. It is categorised as a Write tool in the Meta MCP Server 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_update_adset? +

Register the Meta MCP Server MCP server in PolicyLayer and add a rule for meta_update_adset: 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 MCP Server. Nothing to install.

What risk level is meta_update_adset? +

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

Can I rate-limit meta_update_adset? +

Yes. Add a rate_limit block to the meta_update_adset 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_update_adset completely? +

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

meta_update_adset is provided by the Meta MCP Server MCP server (oliverames/meta-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Meta MCP Server tool call.

Start from Meta MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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200 Meta MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.