get_minutely_precipitation
AI agents call get_minutely_precipitation to retrieve information from KnowAir Weather MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves minute-level precipitation data from the Caiyun Weather API. Like other weather data retrieval tools on this server, it performs no data modification, deletion, execution, or financial operations. It is purely informational, reading weather information without side effects. Low severity because misuse causes only informational disclosure, not system compromise or resource exhaustion.
From the tool's definition Tool name 'get_minutely_precipitation' indicates a retrieval/query operation. All sibling tools on this weather server follow the pattern of getters for data retrieval (get_air_quality_station_forecast, get_astronomy_info, get_comprehensive_weather,…
Attacks that exploit this kind of access
get_minutely_precipitation. It is categorised as a Read tool in the KnowAir Weather MCP Server MCP Server, which means it retrieves data without modifying state.
Register the KnowAir Weather MCP Server MCP server in PolicyLayer and add a rule for get_minutely_precipitation: 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 KnowAir Weather MCP Server. Nothing to install.
get_minutely_precipitation 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_minutely_precipitation 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_minutely_precipitation. 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_minutely_precipitation is provided by the KnowAir Weather MCP Server MCP server (shuowang-ai/weather-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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