update_request_item

Update a requested item — stage, assignment, or work notes (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/update-request-item.md

WHAT IT DOES

What update_request_item does on ServiceNow-MCP

AI agents use update_request_item 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 update_request_item is rated Medium

This tool modifies existing ServiceNow request items by changing their stage, reassigning them, or appending work notes. These are all reversible write operations. The severity is high because in a ITSM context, unauthorized modification of request stages or assignments can disrupt critical workflows, affect SLAs, and redirect work inappropriately.

From the tool's definition Tool description states 'Update a requested item — stage, assignment, or work notes' and requires 'WRITE_ENABLED=true'. The verb 'update' combined with modification of request metadata (stage, assignment) and work notes indicates reversible data modification.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_request_item Rate-limited

update_request_item 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": {
    "update_request_item": {
      "limits": [
        {
          "counter": "update_request_item_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 update_request_item call is checked against it from then on.

FAQ

Questions about update_request_item

What does the update_request_item tool do? +

Update a requested item — stage, assignment, or work notes (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 update_request_item? +

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

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

Can I rate-limit update_request_item? +

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

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

update_request_item 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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