create_catalog_ui_policy

[Write] Create a UI policy for a catalog item form

SERVERServiceNow MCP Server SOURCE@aartiq/servicenow-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/servicenow-mcp-server/create-catalog-ui-policy.md

WHAT IT DOES

What create_catalog_ui_policy does on ServiceNow MCP Server

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

RISK

Why create_catalog_ui_policy is rated Medium

Creating a UI policy is a reversible modification to ServiceNow configuration. It does not execute arbitrary code, delete data, move money, or have immediate destructive consequences. The policy itself is a form rule that can be edited or removed later.

From the tool's definition Tool description states '[Write] Create a UI policy for a catalog item form' — explicitly labeled as a Write operation that creates (not retrieves, deletes, or destroys) a configuration object.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_catalog_ui_policy safely

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

create_catalog_ui_policy Rate-limited

create_catalog_ui_policy 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_catalog_ui_policy": {
      "limits": [
        {
          "counter": "create_catalog_ui_policy_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 Server, apply this rule, and every create_catalog_ui_policy call is checked against it from then on.

FAQ

Questions about create_catalog_ui_policy

What does the create_catalog_ui_policy tool do? +

[Write] Create a UI policy for a catalog item form. It is categorised as a Write tool in the ServiceNow 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 create_catalog_ui_policy? +

Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for create_catalog_ui_policy: 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 Server. Nothing to install.

What risk level is create_catalog_ui_policy? +

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

Can I rate-limit create_catalog_ui_policy? +

Yes. Add a rate_limit block to the create_catalog_ui_policy 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_catalog_ui_policy completely? +

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

create_catalog_ui_policy is provided by the ServiceNow MCP Server MCP server (@aartiq/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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