get_usem_rule

Get the full definition of a single USEM/VR rule by sys_id.

SERVERServiceNow-MCP SOURCEtedorigawa001/servicenow-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/tedorigawa001-servicenow-mcp/get-usem-rule.md

WHAT IT DOES

What get_usem_rule does on ServiceNow-MCP

AI agents call get_usem_rule to retrieve information from ServiceNow-MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_usem_rule is rated Low

This tool retrieves configuration data (USEM/VR rule definitions) from ServiceNow by identifier with no side effects. It does not create, modify, execute, delete, or commit financial actions. The blast radius of misuse is limited to information disclosure of internal rule configurations.

From the tool's definition Tool name 'get_usem_rule' and description 'Get the full definition of a single USEM/VR rule by sys_id' indicate a retrieval operation. The verb 'Get' and the absence of any modification, execution, or deletion language confirm this is a read-only query.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_usem_rule Allowed

get_usem_rule is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_usem_rule": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about get_usem_rule

What does the get_usem_rule tool do? +

Get the full definition of a single USEM/VR rule by sys_id. It is categorised as a Read tool in the ServiceNow-MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_usem_rule? +

Register the ServiceNow MCP server in PolicyLayer and add a rule for get_usem_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 get_usem_rule? +

get_usem_rule is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_usem_rule? +

Yes. Add a rate_limit block to the get_usem_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 get_usem_rule completely? +

Set action: deny in the PolicyLayer policy for get_usem_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 get_usem_rule? +

get_usem_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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