Get weather forecast for up to 16 days. Returns daily predictions including max/min temperatures, precipitation, weather conditions, and wind speeds. Perfect for planning trips or events. Accepts either city name OR latitude/longitude coordinates.
AI agents call get_weather_forecast to retrieve information from 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 weather forecast data from the Open-Meteo API and returns it to the user. It performs a read-only query operation with no capability to modify, delete, execute code, or affect financial systems. The response is purely informational weather data used for planning purposes. This is a classic Read operation with minimal security risk.
From the tool's definition Tool description states it 'Get weather forecast' and 'Returns daily predictions' with no mention of data modification, deletion, or execution of external operations. The tool retrieves and queries forecasted weather data without side effects.
Attacks that exploit this kind of access
Get weather forecast for up to 16 days. Returns daily predictions including max/min temperatures, precipitation, weather conditions, and wind speeds. Perfect for planning trips or events. Accepts either city name OR latitude/longitude coordinates. It is categorised as a Read tool in the Weather MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Weather MCP Server MCP server in PolicyLayer and add a rule for get_weather_forecast: 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 MCP Server. Nothing to install.
get_weather_forecast 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_weather_forecast 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_weather_forecast. 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_weather_forecast is provided by the Weather MCP Server MCP server (shayrylmae/weather-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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