Gregorian-Lunar Calendar Conversion API Request Parameters: - date: Gregorian date to convert (YYYY-MM-DD format) Request Example: https://data.weather.gov.hk/weatherAPI/opendata/lunardate.php?date=2025-07-26 Response Keys: - LunarYear: Lunar year in traditional Chinese with zodiac (e.g.
AI agents call lunardate to retrieve information from Mcp Hko without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and transforms calendar data without creating, modifying, or deleting any information. It is a pure read operation that converts date formats. The blast radius of misuse is minimal—returning incorrect calendar dates poses no security or operational risk.
From the tool's definition Tool performs calendar conversion from Gregorian to Lunar date format. Description states it is a 'Gregorian-Lunar Calendar Conversion API Request' that takes a date parameter and returns lunar calendar data (LunarYear, etc.).
Attacks that exploit this kind of access
Gregorian-Lunar Calendar Conversion API Request Parameters: - date: Gregorian date to convert (YYYY-MM-DD format) Request Example: https://data.weather.gov.hk/weatherAPI/opendata/lunardate.php?date=2025-07-26 Response Keys: - LunarYear: Lunar year in traditional Chinese with zodiac (e.g. It is categorised as a Read tool in the Mcp Hko MCP Server, which means it retrieves data without modifying state.
Register the Mcp Hko MCP server in PolicyLayer and add a rule for lunardate: 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 Hko. Nothing to install.
lunardate 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 lunardate 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 lunardate. 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.
lunardate is provided by the Mcp Hko MCP server (louiscklaw/mcp-hko). 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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