Get weather forecast (hourly and daily) for a location
AI agents call get_weather_forecast to retrieve information from Open Meteo 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 for a specified location. It performs a query operation that returns information without creating, modifying, deleting, or executing any external actions. The operation is non-destructive and read-only, consistent with the Read category for tools that fetch or retrieve data.
From the tool's definition Tool name 'get_weather_forecast' and description 'Get weather forecast (hourly and daily) for a location' indicate a data retrieval operation with no side effects.
Attacks that exploit this kind of access
Get weather forecast (hourly and daily) for a location. It is categorised as a Read tool in the Open Meteo MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Open Meteo 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 Open Meteo 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 Open Meteo MCP Server MCP server (sarthakray26/open-meteo-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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