create_business_rule

Create a new business rule (requires SCRIPTING_ENABLED=true). ServiceNow supports ES2021 async/await in scripts.

SERVERServiceNow-MCP SOURCEtedorigawa001/servicenow-mcp

High RISK CLASS

Category Execute

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/tedorigawa001-servicenow-mcp/create-business-rule.md

WHAT IT DOES

What create_business_rule does on ServiceNow-MCP

AI agents invoke create_business_rule to trigger actions in ServiceNow-MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.

RISK

Why create_business_rule is rated High

Creating a business rule injects executable server-side JavaScript into ServiceNow that runs automatically on data events (insert, update, delete, query). This is essentially arbitrary code execution on the platform with potentially broad blast radius — a malicious or misconfigured business rule can corrupt data, exfiltrate information, or disrupt operations platform-wide.

From the tool's definition 'Create a new business rule (requires SCRIPTING_ENABLED=true)' — business rules contain server-side scripts that execute on the ServiceNow platform, triggered by database operations

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_business_rule safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceNow-MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_business_rule, this is the rule to start with:

create_business_rule Rate-limited

create_business_rule stays usable, but rate-capped: a runaway agent can't fire it dozens of times 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_business_rule": {
      "limits": [
        {
          "counter": "create_business_rule_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow-MCP, apply this rule, and every create_business_rule call is checked against it from then on.

FAQ

Questions about create_business_rule

What does the create_business_rule tool do? +

Create a new business rule (requires SCRIPTING_ENABLED=true). ServiceNow supports ES2021 async/await in scripts. It is categorised as a Execute tool in the ServiceNow-MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on create_business_rule? +

Register the ServiceNow MCP server in PolicyLayer and add a rule for create_business_rule: 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_business_rule? +

create_business_rule is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit create_business_rule? +

Yes. Add a rate_limit block to the create_business_rule 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_business_rule completely? +

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

create_business_rule 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.

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