create_decision_table

Create a Decision Builder decision table (sys_decision). 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-decision-table.md

WHAT IT DOES

What create_decision_table does on ServiceNow MCP Server

AI agents use create_decision_table 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_decision_table is rated Medium

Tool creates a new decision table artifact in ServiceNow, reversibly modifying system configuration.

From the tool's definition Create a Decision Builder decision table; requires WRITE_ENABLED=true

Attacks that exploit this kind of access

RECOMMENDED RULE

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

create_decision_table Rate-limited

create_decision_table 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_decision_table": {
      "limits": [
        {
          "counter": "create_decision_table_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_decision_table call is checked against it from then on.

FAQ

Questions about create_decision_table

What does the create_decision_table tool do? +

Create a Decision Builder decision table (sys_decision). 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_decision_table? +

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

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

Can I rate-limit create_decision_table? +

Yes. Add a rate_limit block to the create_decision_table 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_decision_table completely? +

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

create_decision_table 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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