create_csm_case

Create a new Customer Service case (requires WRITE_ENABLED=true)

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-csm-case.md

WHAT IT DOES

What create_csm_case does on ServiceNow MCP Server

AI agents use create_csm_case 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_csm_case is rated Medium

This tool creates new records in ServiceNow's Customer Service Management module. Creation of tickets/cases is a Write operation—it modifies system state by adding new data, but the action is reversible (cases can be deleted or archived). The requirement for WRITE_ENABLED=true confirms it performs write operations.

From the tool's definition Tool name and description explicitly state 'Create a new Customer Service case' and requires WRITE_ENABLED=true, indicating reversible data creation in ServiceNow.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_csm_case Rate-limited

create_csm_case 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_csm_case": {
      "limits": [
        {
          "counter": "create_csm_case_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_csm_case call is checked against it from then on.

FAQ

Questions about create_csm_case

What does the create_csm_case tool do? +

Create a new Customer Service case (requires WRITE_ENABLED=true). 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_csm_case? +

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

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

Can I rate-limit create_csm_case? +

Yes. Add a rate_limit block to the create_csm_case 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_csm_case completely? +

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

create_csm_case 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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