snow_create_sp_page · Serac MCP: Risk & Policy

WHAT IT DOES

What snow_create_sp_page does on Serac

AI agents use snow_create_sp_page 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_create_sp_page needs a policy

This tool creates new Service Portal pages in ServiceNow, a reversible write operation. Severity is high because an AI agent could create unauthorized public-facing pages accessible to anonymous users, potentially exposing sensitive information, creating phishing vectors, or disrupting service availability.

From the tool's definition Tool description explicitly states 'Create a Service Portal page' with ability to set 'public flag (anonymous access)' making pages 'accessible at /sp?id=<id>'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

snow_create_sp_page Rate-limited

snow_create_sp_page 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_create_sp_page": {
      "limits": [
        {
          "counter": "snow_create_sp_page_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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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_create_sp_page

What does the snow_create_sp_page tool do? +

Create a Service Portal page (sp_page) with a stable id, display title, and public flag (anonymous access). Page becomes accessible at /sp?id=<id> once placed in a portal layout. 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_create_sp_page? +

Register the Serac MCP server in PolicyLayer and add a rule for snow_create_sp_page: 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_create_sp_page? +

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

Can I rate-limit snow_create_sp_page? +

Yes. Add a rate_limit block to the snow_create_sp_page 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_create_sp_page completely? +

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

snow_create_sp_page 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.

// THE FULL RECORD

snow_create_sp_page is one line of Serac's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

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