snow_catalog_item_manager · Serac MCP: Risk & Policy

WHAT IT DOES

What snow_catalog_item_manager does on Serac

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

WHY IT NEEDS A POLICY

Why snow_catalog_item_manager needs a policy

The tool performs Create and Update operations on ServiceNow service catalog items, which are write operations that can be modified or undone later. The severity is high because service catalog items control what services are available to users and misconfiguration could disrupt service delivery or expose inappropriate services; however, these changes are not irreversible (destructive) and do not involve financial…

From the tool's definition Tool description explicitly states 'Create, update, or manage service catalog items' — these are reversible write operations on a critical business system (ServiceNow catalog).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

snow_catalog_item_manager Rate-limited

snow_catalog_item_manager 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": {
    "snow_catalog_item_manager": {
      "limits": [
        {
          "counter": "snow_catalog_item_manager_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 Serac, so you can run agents against it safely.

FAQ

Questions about snow_catalog_item_manager

What does the snow_catalog_item_manager tool do? +

Create, update, or manage service catalog items. It is categorised as a Write tool in the Serac MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on snow_catalog_item_manager? +

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

What risk level is snow_catalog_item_manager? +

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

Can I rate-limit snow_catalog_item_manager? +

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

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

snow_catalog_item_manager is provided by the Serac MCP server (serac-labs/serac). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.