create_business_rule
Create a new business rule (requires SCRIPTING_ENABLED=true). ServiceNow supports ES2021 async/await in scripts.
This record as markdown: /tools/nowaikit-servicenow-ai-toolkit/create-business-rule.md
What create_business_rule does on NowAIKit — ServiceNow AI Toolkit
AI agents invoke create_business_rule to trigger actions in NowAIKit — ServiceNow AI Toolkit. 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.
Why create_business_rule is rated High
Business rules in ServiceNow execute server-side JavaScript code that runs automatically on database operations. Creating a business rule means deploying arbitrary executable script code into the platform, which can intercept and manipulate any record operations, call external APIs, escalate privileges, or cause widespread data changes.
From the tool's definition 'Create a new business rule' with 'SCRIPTING_ENABLED=true' and 'ServiceNow supports ES2021 async/await in scripts'
Attacks that exploit this kind of access
The rule that runs create_business_rule safely
PolicyLayer is an MCP gateway: it sits between your AI agents and NowAIKit — ServiceNow AI Toolkit, 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 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.
The button opens the PolicyLayer dashboard: create your workspace, connect NowAIKit — ServiceNow AI Toolkit, apply this rule, and every create_business_rule call is checked against it from then on.
Questions about create_business_rule
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 NowAIKit — ServiceNow AI Toolkit MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the NowAIKit — ServiceNow AI Toolkit 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 NowAIKit — ServiceNow AI Toolkit. Nothing to install.
create_business_rule is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
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.
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.
create_business_rule is provided by the NowAIKit — ServiceNow AI Toolkit MCP server (nowaikit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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