aggregate_report

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/aggregate-report.md

WHAT IT DOES

What aggregate_report does on ServiceNow MCP Server

AI agents call aggregate_report 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 aggregate_report is rated Low

aggregate_report retrieves and summarizes data through server-side aggregation. It queries ServiceNow records, groups them, and computes statistics (count, average, sum, min, max) without modifying, deleting, or executing operations. This is a Read operation.

From the tool's definition Tool description states it returns 'per-group record count PLUS averages/sums/mins/maxes' and is 'the right tool for a periodic summary.' The verb 'returns' and mention of aggregation, grouping, and querying indicate data retrieval with no modification or…

Attacks that exploit this kind of access

RECOMMENDED RULE

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

aggregate_report Allowed

aggregate_report 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": {
    "aggregate_report": {}
  }
}

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 aggregate_report call is checked against it from then on.

FAQ

Questions about aggregate_report

What does the aggregate_report tool do? +

Server-side aggregate REPORT grouped by a field, in ONE query with no 1000-row truncation. Returns per-group record count PLUS averages/sums/mins/maxes of numeric or duration fields — the right tool for a periodic summary like. 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 aggregate_report? +

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

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

Can I rate-limit aggregate_report? +

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

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

aggregate_report 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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