Get daily weather forecast for up to 8 days for a location. If no location is provided, will automatically detect location from IP address.
AI agents call get_daily_forecast to retrieve information from OpenWeatherMap MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only queries and returns weather forecast data. It has no side effects—it doesn't modify data, execute code, delete information, or commit financial obligations. Even the automatic IP-based location detection is a convenience feature that doesn't alter any state. The blast radius of misuse is minimal: an AI agent could only retrieve unnecessary weather data, wasting API quota at worst.
From the tool's definition Tool retrieves weather forecast data ('Get daily weather forecast') with no modification, deletion, or execution capabilities. The description indicates it 'fetches' forecast information, a pure read operation.
Attacks that exploit this kind of access
Get daily weather forecast for up to 8 days for a location. If no location is provided, will automatically detect location from IP address. It is categorised as a Read tool in the OpenWeatherMap MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OpenWeatherMap MCP Server MCP server in PolicyLayer and add a rule for get_daily_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 OpenWeatherMap MCP Server. Nothing to install.
get_daily_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_daily_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_daily_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_daily_forecast is provided by the OpenWeatherMap MCP Server MCP server (tristau/openweathermap-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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