调用和风天气逐小时预报 /v7/weather/{hours}，返回格式化列表（包括时间、天气、温度、露点温度、风、湿度、降水、概率、气压、云量）；支持多语言与单位制。
AI agents call get_hourly_weather to retrieve information from Weather Cuhksz without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves real-time weather forecast data from an external API. It performs a read-only query operation that returns formatted weather information. There are no write operations, no code execution, no data deletion, and no financial transactions involved. The severity is low because misuse would only result in retrieving weather data, which poses minimal security risk.
From the tool's definition The tool is called 'get_hourly_weather' and its description states it 'calls the QWeather hourly forecast API /v7/weather/{hours}, returns a formatted list (including time, weather, temperature, dew point temperature, wind, humidity, precipitation,…
Attacks that exploit this kind of access
调用和风天气逐小时预报 /v7/weather/{hours}，返回格式化列表（包括时间、天气、温度、露点温度、风、湿度、降水、概率、气压、云量）；支持多语言与单位制。. It is categorised as a Read tool in the Weather Cuhksz MCP Server, which means it retrieves data without modifying state.
Register the Weather Cuhksz MCP server in PolicyLayer and add a rule for get_hourly_weather: 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 Weather Cuhksz. Nothing to install.
get_hourly_weather 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_hourly_weather 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_hourly_weather. 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_hourly_weather is provided by the Weather Cuhksz MCP server (lkcy23/mcp-server-weather-cuhksz). 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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