zernio_create_audience

Create a custom audience for ad targeting.

SERVERZernio SOURCEeyalm321/zernio-mcp

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/eyalm321-zernio-mcp/zernio-create-audience.md

WHAT IT DOES

What zernio_create_audience does on Zernio

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

RISK

Why zernio_create_audience is rated Medium

This tool creates (writes) a new audience segment that can be used for ad targeting. It modifies the ad management system by introducing a new audience definition, which is reversible (the audience can be deleted or modified later).

From the tool's definition Creates a custom audience for ad targeting — the verb 'create' in combination with 'custom audience' indicates a new data structure is being added to the advertising system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs zernio_create_audience safely

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

zernio_create_audience Rate-limited

zernio_create_audience 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": {
    "zernio_create_audience": {
      "limits": [
        {
          "counter": "zernio_create_audience_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 Zernio, apply this rule, and every zernio_create_audience call is checked against it from then on.

FAQ

Questions about zernio_create_audience

What does the zernio_create_audience tool do? +

Create a custom audience for ad targeting. It is categorised as a Write tool in the Zernio MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on zernio_create_audience? +

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

What risk level is zernio_create_audience? +

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

Can I rate-limit zernio_create_audience? +

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

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

zernio_create_audience is provided by the Zernio MCP server (eyalm321/zernio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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