add_work_note

Add an internal work note to any ITSM record (requires WRITE_ENABLED=true)

SERVERNowAIKit — ServiceNow AI Toolkit SOURCEnowaikit

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/nowaikit-servicenow-ai-toolkit/add-work-note.md

WHAT IT DOES

What add_work_note does on NowAIKit — ServiceNow AI Toolkit

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

RISK

Why add_work_note is rated Medium

This tool creates or modifies data (adding a work note to a record) in a reversible manner. It does not delete data (not Destructive), execute arbitrary code (not Execute), involve financial transactions (not Financial), or merely read data (not Read).

From the tool's definition Tool description explicitly states 'Add an internal work note' and requires 'WRITE_ENABLED=true', indicating a write operation that creates or modifies ITSM record data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_work_note safely

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

add_work_note Rate-limited

add_work_note 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": {
    "add_work_note": {
      "limits": [
        {
          "counter": "add_work_note_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 NowAIKit — ServiceNow AI Toolkit, apply this rule, and every add_work_note call is checked against it from then on.

FAQ

Questions about add_work_note

What does the add_work_note tool do? +

Add an internal work note to any ITSM record (requires WRITE_ENABLED=true). It is categorised as a Write tool in the NowAIKit — ServiceNow AI Toolkit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_work_note? +

Register the NowAIKit — ServiceNow AI Toolkit MCP server in PolicyLayer and add a rule for add_work_note: 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 NowAIKit — ServiceNow AI Toolkit. Nothing to install.

What risk level is add_work_note? +

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

Can I rate-limit add_work_note? +

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

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

add_work_note is provided by the NowAIKit — ServiceNow AI Toolkit MCP server (nowaikit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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