List and search ServiceNow users. Args: - query (string): Encoded query (e.g.,
AI agents call servicenow_list_users 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 and filters user information from ServiceNow without any side effects. Listing or searching users is a read-only operation that does not create, modify, or delete data. While user directories can be sensitive, the capability is limited to querying existing information, making it a Read category tool with low severity risk.
From the tool's definition Tool name 'servicenow_list_users' and description 'List and search ServiceNow users' indicate data retrieval without modification. The query parameter supports filtering but does not modify state.
Attacks that exploit this kind of access
List and search ServiceNow users. Args: - query (string): Encoded 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_list_users: 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_list_users 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_list_users 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_list_users. 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_list_users 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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