create_portal

Create a new Service Portal configuration (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.md

WHAT IT DOES

What create_portal does on ServiceNow-MCP

AI agents use create_portal 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 is rated Medium

This tool creates a new Service Portal configuration, which modifies the ServiceNow system state by adding a new portal. While not destructive (the action is reversible through deletion), it is a Write operation that can affect system structure and user access.

From the tool's definition Tool name 'create_portal' and description 'Create a new Service Portal configuration' indicate irreversible creation of a new configuration object in ServiceNow. The requirement flag 'WRITE_ENABLED=true' explicitly gates this as a write operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_portal 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, this is the rule to start with:

create_portal Rate-limited

create_portal 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": {
      "limits": [
        {
          "counter": "create_portal_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 call is checked against it from then on.

FAQ

Questions about create_portal

What does the create_portal tool do? +

Create a new Service Portal configuration (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? +

Register the ServiceNow MCP server in PolicyLayer and add a rule for create_portal: 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? +

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

Can I rate-limit create_portal? +

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

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

create_portal 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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