service_health

One-call service health snapshot. Returns a business service or CI, its open incidents, related CIs, and recent changes. Read-only.

SERVERServiceNow MCP Server SOURCE@aartiq/servicenow-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity verified Pull the record →

This record as markdown: /tools/servicenow-mcp-server/service-health.md

WHAT IT DOES

What service_health does on ServiceNow MCP Server

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

RISK

Why service_health is rated Low

Retrieves service health status and metadata without modification; explicitly read-only.

From the tool's definition Returns business service, open incidents, related CIs, recent changes. Read-only.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

service_health Allowed

service_health 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": {
    "service_health": {}
  }
}

ALLOW ONLY 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 service_health call is checked against it from then on.

FAQ

Questions about service_health

What does the service_health tool do? +

One-call service health snapshot. Returns a business service or CI, its open incidents, related CIs, and recent changes. Read-only. It is categorised as a Read tool in the ServiceNow MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on service_health? +

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

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

Can I rate-limit service_health? +

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

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

service_health 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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