Proxy get_last_pay_date to the payroll leaf MCP
AI agents call get_last_pay_date to retrieve information from MCP Leave Management without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves employee payroll data (last pay date) without creating, modifying, or deleting information. It qualifies as a Read operation. Severity is medium rather than low because pay date information could be sensitive employee data that, if exposed to unauthorized agents, could facilitate social engineering or identity theft, though the direct impact is limited to information disclosure.
From the tool's definition Tool description states it 'Proxy get_last_pay_date to the payroll leaf MCP', indicating retrieval of employee payroll information (last pay date). The name and description both indicate a read-only query operation without modification or side effects.
Attacks that exploit this kind of access
Proxy get_last_pay_date to the payroll leaf MCP. It is categorised as a Read tool in the MCP Leave Management MCP Server, which means it retrieves data without modifying state.
Register the MCP Leave Management MCP server in PolicyLayer and add a rule for get_last_pay_date: 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 MCP Leave Management. Nothing to install.
get_last_pay_date 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_last_pay_date 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_last_pay_date. 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_last_pay_date is provided by the MCP Leave Management MCP server (jaylathiatr/mcp-leave-management). 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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