meta_ads_split_tests_create

Creates a new Split Test. Returns the new study_id.

SERVERMureo SOURCElogly/mureo

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/logly-mureo/meta-ads-split-tests-create.md

WHAT IT DOES

What meta_ads_split_tests_create does on Mureo

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

RISK

Why meta_ads_split_tests_create is rated Medium

This tool creates a new split test campaign in Meta Ads, which is a reversible write operation that commits advertising spend and marketing strategy changes. Although write operations are typically lower severity, the financial implications of autonomous split test creation (potential uncontrolled ad spend, campaign changes, and strategic commitments) elevates this to 'high' severity.

From the tool's definition Tool name 'meta_ads_split_tests_create' and description 'Creates a new Split Test. Returns the new study_id' indicate creation of a new resource in Meta Ads.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs meta_ads_split_tests_create safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mureo, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For meta_ads_split_tests_create, this is the rule to start with:

meta_ads_split_tests_create Rate-limited

meta_ads_split_tests_create 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_ads_split_tests_create": {
      "limits": [
        {
          "counter": "meta_ads_split_tests_create_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 Mureo, apply this rule, and every meta_ads_split_tests_create call is checked against it from then on.

FAQ

Questions about meta_ads_split_tests_create

What does the meta_ads_split_tests_create tool do? +

Creates a new Split Test. Returns the new study_id. It is categorised as a Write tool in the Mureo 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_ads_split_tests_create? +

Register the Mureo MCP server in PolicyLayer and add a rule for meta_ads_split_tests_create: 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 Mureo. Nothing to install.

What risk level is meta_ads_split_tests_create? +

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

Can I rate-limit meta_ads_split_tests_create? +

Yes. Add a rate_limit block to the meta_ads_split_tests_create 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_ads_split_tests_create completely? +

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

meta_ads_split_tests_create is provided by the Mureo MCP server (logly/mureo). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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