Get the leave history of an employee.
AI agents call get_leave_history to retrieve information from HR Assistant Agent 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 historical leave records for an employee. It performs a read-only operation that does not create, modify, delete, or execute any actions. The blast radius is minimal as it only exposes existing employee leave information without enabling changes to data or system state.
From the tool's definition Tool name 'get_leave_history' and description 'Get the leave history of an employee' indicate data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Get the leave history of an employee. It is categorised as a Read tool in the HR Assistant Agent MCP Server, which means it retrieves data without modifying state.
Register the HR Assistant Agent MCP server in PolicyLayer and add a rule for get_leave_history: 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 HR Assistant Agent. Nothing to install.
get_leave_history 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_leave_history 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_leave_history. 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_leave_history is provided by the HR Assistant Agent MCP server (nishu8875/hr-assistant-agent). 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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