createCategory · Omnisend MCP Server MCP: Risk & Policy

WHAT IT DOES

What createCategory does on Omnisend MCP Server

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

WHY IT NEEDS A POLICY

Why createCategory needs a policy

This tool creates new data (product categories) in the Omnisend platform, which is reversible through the corresponding 'deleteCategory' tool present on the same server. It does not execute arbitrary code, trigger external operations unpredictably, delete data, or move money.

From the tool's definition Tool name is 'createCategory' and description states 'Create a new product category in the Omnisend catalog.' The verb 'create' and the explicit statement of creating a new category indicate this is a write operation that adds data to the system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

createCategory Rate-limited

createCategory 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": {
    "createCategory": {
      "limits": [
        {
          "counter": "createcategory_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 Omnisend MCP Server, so you can run agents against it safely.

FAQ

Questions about createCategory

What does the createCategory tool do? +

Create a new product category in the Omnisend catalog. Category data can include title, description, image, and URL. It is categorised as a Write tool in the Omnisend 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 createCategory? +

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

What risk level is createCategory? +

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

Can I rate-limit createCategory? +

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

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

createCategory is provided by the Omnisend MCP Server MCP server (plutzilla/omnisend-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.