close_csm_case

Close a CSM case with resolution details (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/close-csm-case.md

WHAT IT DOES

What close_csm_case does on ServiceNow MCP Server

AI agents use close_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 close_csm_case is rated Medium

This tool creates or modifies data reversibly—closing a case changes its status but does not permanently delete data. The case can typically be reopened or its status changed again, making it a Write operation rather than Destructive. Medium severity reflects the business impact (operational disruption if misused) but lacks financial or permanent data loss consequences.

From the tool's definition The description explicitly states the tool 'Close[s] a CSM case' and requires 'WRITE_ENABLED=true', indicating it modifies case state by closing/resolving records.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

close_csm_case Rate-limited

close_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": {
    "close_csm_case": {
      "limits": [
        {
          "counter": "close_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 close_csm_case call is checked against it from then on.

FAQ

Questions about close_csm_case

What does the close_csm_case tool do? +

Close a CSM case with resolution details (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 close_csm_case? +

Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for close_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 close_csm_case? +

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

Can I rate-limit close_csm_case? +

Yes. Add a rate_limit block to the close_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 close_csm_case completely? +

Set action: deny in the PolicyLayer policy for close_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 close_csm_case? +

close_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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