create_scoped_app · ServiceNow- MCP: Risk & Policy

WHAT IT DOES

What create_scoped_app does on ServiceNow-MCP

AI agents use create_scoped_app 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_scoped_app needs a policy

This tool creates new application objects in ServiceNow's App Studio, which is a reversible write operation. It does not delete or destroy data (not Destructive), does not execute arbitrary code on behalf of the user (not Execute), and does not involve financial transactions (not Financial).

From the tool's definition Tool name is 'create_scoped_app' and description states 'Create a new scoped application in App Studio (requires WRITE_ENABLED=true)'. The verb 'Create' and explicit mention of creating a 'new scoped application' clearly indicate data creation/modification.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_scoped_app Rate-limited

create_scoped_app 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_scoped_app": {
      "limits": [
        {
          "counter": "create_scoped_app_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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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_scoped_app

What does the create_scoped_app tool do? +

Create a new scoped application in App Studio (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_scoped_app? +

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

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

Can I rate-limit create_scoped_app? +

Yes. Add a rate_limit block to the create_scoped_app 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_scoped_app completely? +

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

create_scoped_app 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.