update_ci

A write tool on the ServiceNow MCP server.

SERVERServiceNow MCP Server SOURCEpypi:mcp-server-servicenow

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-jschuller-mcp-server-servicenow/update-ci.md

WHAT IT DOES

What update_ci does on ServiceNow MCP Server

AI agents use update_ci 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 update_ci is rated Medium

The tool modifies existing CMDB records (Configuration Items), which is a core asset tracking system in ServiceNow. While updates are reversible (Write not Destructive), unauthorized changes to CMDB entries could corrupt infrastructure documentation, affect compliance records, or disrupt service delivery workflows.

From the tool's definition Tool name 'update_ci' indicates modification of Configuration Items in ServiceNow's CMDB. The 'update' verb and 'ci' (Configuration Item) designation, combined with the server's CMDB capabilities, confirms this performs reversible data modifications.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_ci Rate-limited

update_ci 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": {
    "update_ci": {
      "limits": [
        {
          "counter": "update_ci_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 update_ci call is checked against it from then on.

FAQ

Questions about update_ci

What does the update_ci tool do? +

update_ci is a write tool on the ServiceNow MCP Server MCP server. 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 update_ci? +

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

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

Can I rate-limit update_ci? +

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

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

update_ci is provided by the ServiceNow MCP Server MCP server (pypi:mcp-server-servicenow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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