Calculate COUNT, SUM, AVG, MIN, or MAX on any ServiceNow table — optionally grouped by a field. Uses the ServiceNow Aggregate API (/api/now/stats) for efficient server-side aggregation without fetching records. Args: - table (string): Table to aggregate (e.g., incident, change_request, cmdb_ci) -...
AI agents call servicenow_aggregate to retrieve information from Servicenow without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves aggregated metrics from ServiceNow tables without any side effects. Aggregation functions (COUNT, SUM, AVG, MIN, MAX) are inherently read-only operations that compute statistics over existing data. The description explicitly states it performs aggregation 'without fetching records,' indicating pure data retrieval. No write, execute, destructive, or financial operations are possible with this tool.
From the tool's definition Tool performs 'Calculate COUNT, SUM, AVG, MIN, or MAX on any ServiceNow table' using 'Aggregate API (/api/now/stats) for efficient server-side aggregation without fetching records.' These are read-only statistical operations with no data modification,…
Attacks that exploit this kind of access
Calculate COUNT, SUM, AVG, MIN, or MAX on any ServiceNow table — optionally grouped by a field. Uses the ServiceNow Aggregate API (/api/now/stats) for efficient server-side aggregation without fetching records. Args: - table (string): Table to aggregate (e.g., incident, change_request, cmdb_ci) - query (string): Filter query (e.g.,. It is categorised as a Read tool in the Servicenow MCP Server, which means it retrieves data without modifying state.
Register the Servicenow MCP server in PolicyLayer and add a rule for servicenow_aggregate: 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. Nothing to install.
servicenow_aggregate is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the servicenow_aggregate 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 servicenow_aggregate. 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.
servicenow_aggregate is provided by the Servicenow MCP server (kylburns89/servicenow-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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