Get time-bucketed trend data for a table (useful for monthly/weekly trend charts)
AI agents call trend_query to retrieve information from ServiceNow-MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves aggregated trend data from ServiceNow tables for visualization purposes. It performs no side effects, does not modify or delete data, and does not execute external operations. Misuse would at worst expose time-series metrics already visible to the user, posing minimal risk.
From the tool's definition Tool name 'trend_query' and description 'Get time-bucketed trend data for a table' indicates data retrieval with no modification, deletion, or execution capability.
Attacks that exploit this kind of access
Get time-bucketed trend data for a table (useful for monthly/weekly trend charts). It is categorised as a Read tool in the ServiceNow-MCP MCP Server, which means it retrieves data without modifying state.
Register the ServiceNow- MCP server in PolicyLayer and add a rule for trend_query: 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.
trend_query 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 trend_query 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 trend_query. 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.
trend_query 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.
Every MCP server has a record like this.
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