create_notification · ServiceNow- MCP: Risk & Policy

WHAT IT DOES

What create_notification does on ServiceNow-MCP

AI agents use create_notification 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.

WHY IT NEEDS A POLICY

Why create_notification needs a policy

This tool creates a new notification definition, which is a reversible data modification action. It does not delete or permanently destroy data (not Destructive), does not execute arbitrary code or commands (not Execute), and does not move money (not Financial).

From the tool's definition Tool name is 'create_notification' and description states 'Create a new email notification definition'. The verb 'Create' indicates data modification. The description explicitly requires 'WRITE_ENABLED=true', confirming write capability.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_notification Rate-limited

create_notification 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_notification": {
      "limits": [
        {
          "counter": "create_notification_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches ServiceNow-MCP, so you can run agents against it safely.

FAQ

Questions about create_notification

What does the create_notification tool do? +

Create a new email notification definition (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_notification? +

Register the ServiceNow- MCP server in PolicyLayer and add a rule for create_notification: 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_notification? +

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

Can I rate-limit create_notification? +

Yes. Add a rate_limit block to the create_notification 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_notification completely? +

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

create_notification 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.