replaceProduct · Omnisend MCP Server MCP: Risk & Policy

WHAT IT DOES

What replaceProduct does on Omnisend MCP Server

AI agents use replaceProduct 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 replaceProduct needs a policy

This tool creates or modifies data in a reversible manner (Write category). It does not delete or permanently remove data, and the changes can be undone through subsequent replaceProduct calls or other update mechanisms.

From the tool's definition Tool description states 'Replace an existing product with new data,' explicitly performing a modification operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

replaceProduct Rate-limited

replaceProduct 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": {
    "replaceProduct": {
      "limits": [
        {
          "counter": "replaceproduct_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 replaceProduct

What does the replaceProduct tool do? +

Replace an existing product with new data. IMPORTANT: You must first get the product using getProduct and preserve the returned structure when replacing. The replace request requires the same structure as returned by the GET method, with only your desired changes applied. 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 replaceProduct? +

Register the Omnisend MCP Server MCP server in PolicyLayer and add a rule for replaceProduct: 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 replaceProduct? +

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

Can I rate-limit replaceProduct? +

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

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

replaceProduct 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.