natural_language_search
Search ServiceNow using plain English (experimental)
This record as markdown: /tools/servicenow-mcp-server/natural-language-search.md
What natural_language_search does on ServiceNow MCP Server
AI agents call natural_language_search 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.
Why natural_language_search is rated Low
This tool queries/searches ServiceNow data using natural language input. It retrieves information but does not create, modify, delete, execute commands, or commit financial transactions. While marked 'experimental', the core function is data retrieval. Severity is low as the blast radius of a search operation is limited to unauthorized information exposure, not operational damage or financial impact.
From the tool's definition Tool name contains 'search' and description explicitly states 'Search ServiceNow using plain English'. The verb 'search' is a read operation that retrieves or queries data without side effects.
Attacks that exploit this kind of access
The rule that runs natural_language_search 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 natural_language_search, this is the rule to start with:
natural_language_search is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect ServiceNow MCP Server, apply this rule, and every natural_language_search call is checked against it from then on.
Questions about natural_language_search
Search ServiceNow using plain English (experimental). It is categorised as a Read tool in the ServiceNow MCP Server MCP Server, which means it retrieves data without modifying state.
Register the ServiceNow MCP Server MCP server in PolicyLayer and add a rule for natural_language_search: 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.
natural_language_search 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 natural_language_search 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 natural_language_search. 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.
natural_language_search 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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