Get the full activity log and journal entries for an HR case
AI agents call get_hr_case_activity 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 retrieves historical activity logs and journal entries from an HR case record, which is a read-only operation. However, HR case activity logs can contain sensitive personal information (employee names, disciplinary actions, health disclosures, compensation details, etc.), warranting medium severity due to potential exposure of confidential employee data if misused by an agent without proper access controls.
From the tool's definition Tool name 'get_hr_case_activity' and description 'Get the full activity log and journal entries for an HR case' indicate data retrieval with no modification. The action is a query/fetch operation.
Attacks that exploit this kind of access
Get the full activity log and journal entries for an HR case. 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 get_hr_case_activity: 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.
get_hr_case_activity 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 get_hr_case_activity 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 get_hr_case_activity. 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.
get_hr_case_activity 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.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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