列出目前支援的年度、資料版本與基本工資（月薪/時薪）。計算前可先用本工具確認有效的 year 值。
AI agents call list_years to retrieve information from Taiwan Payroll without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and displays metadata about supported years and baseline wage data. It has no side effects, does not execute calculations, and does not modify any data. It is a reference lookup utility intended to help users determine valid input parameters for other payroll calculation tools. This is a clear Read category operation with minimal risk.
From the tool's definition Tool name is 'list_years' and description states it '列出目前支援的年度、資料版本與基本工資' (lists currently supported years, data versions, and basic wage information). This is a pure read/query operation that retrieves reference data without modifying state.
Attacks that exploit this kind of access
列出目前支援的年度、資料版本與基本工資（月薪/時薪）。計算前可先用本工具確認有效的 year 值。. It is categorised as a Read tool in the Taiwan Payroll MCP Server, which means it retrieves data without modifying state.
Register the Taiwan Payroll MCP server in PolicyLayer and add a rule for list_years: 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 Taiwan Payroll. Nothing to install.
list_years 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 list_years 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 list_years. 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.
list_years is provided by the Taiwan Payroll MCP server (taiwan-payroll-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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