create_portal_page

Create a new page inside a Service Portal (requires WRITE_ENABLED=true)

SERVERServiceNow-MCP SOURCEtedorigawa001/servicenow-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/tedorigawa001-servicenow-mcp/create-portal-page.md

WHAT IT DOES

What create_portal_page does on ServiceNow-MCP

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

RISK

Why create_portal_page is rated Medium

This tool creates a new portal page in ServiceNow, which is a reversible modification of data/configuration. It does not delete, execute arbitrary code, move money, or trigger external operations. The blast radius is medium: unauthorized portal page creation could deface the service portal, introduce phishing or misleading content, or disrupt user workflows, but can be remedied by deletion.

From the tool's definition Tool name 'create_portal_page' and description 'Create a new page inside a Service Portal' indicate creation of new content. The description explicitly notes it 'requires WRITE_ENABLED=true', confirming write-level access is needed.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_portal_page safely

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

create_portal_page Rate-limited

create_portal_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": {
    "create_portal_page": {
      "limits": [
        {
          "counter": "create_portal_page_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 ServiceNow-MCP, apply this rule, and every create_portal_page call is checked against it from then on.

FAQ

Questions about create_portal_page

What does the create_portal_page tool do? +

Create a new page inside a Service Portal (requires WRITE_ENABLED=true). It is categorised as a Write tool in the ServiceNow-MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_portal_page? +

Register the ServiceNow MCP server in PolicyLayer and add a rule for create_portal_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 ServiceNow-MCP. Nothing to install.

What risk level is create_portal_page? +

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

Can I rate-limit create_portal_page? +

Yes. Add a rate_limit block to the create_portal_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 create_portal_page completely? +

Set action: deny in the PolicyLayer policy for create_portal_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 create_portal_page? +

create_portal_page is provided by the ServiceNow MCP server (tedorigawa001/servicenow-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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