create_update_set

Create a new Update Set and optionally switch to it. [Scripting]

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-update-set.md

WHAT IT DOES

What create_update_set does on ServiceNow MCP Server

AI agents use create_update_set 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_update_set is rated Medium

This tool creates new Update Sets, which are reversible configuration objects in ServiceNow used for managing and deploying system changes. While this is a Create operation (Write category), it carries high severity because Update Sets directly control what configurations get deployed to production environments.

From the tool's definition The tool name 'create_update_set' and description state it can 'Create a new Update Set and optionally switch to it.' Update Sets in ServiceNow are configuration changes that affect system behavior and deployments.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_update_set Rate-limited

create_update_set 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_update_set": {
      "limits": [
        {
          "counter": "create_update_set_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_update_set call is checked against it from then on.

FAQ

Questions about create_update_set

What does the create_update_set tool do? +

Create a new Update Set and optionally switch to it. [Scripting]. 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_update_set? +

Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for create_update_set: 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_update_set? +

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

Can I rate-limit create_update_set? +

Yes. Add a rate_limit block to the create_update_set 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_update_set completely? +

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

create_update_set 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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