Get future weather forecast for a date between 14 and 300 days from today. Returns 3-hourly data. Available on Pro+ plan and above.
AI agents call get_future_weather to retrieve information from WeatherAPI 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 information without modifying, executing, or destroying any data. It is a simple query operation that returns predictive weather data based on date parameters. The blast radius of misuse is minimal—an attacker could only spam requests or gather atmospheric data, neither of which causes direct harm or affects system integrity.
From the tool's definition Tool description states 'Get future weather forecast' and 'Returns 3-hourly data'. The verb 'Get' and the nature of forecast data retrieval indicate a read-only operation with no data modification, deletion, or side effects.
Attacks that exploit this kind of access
Get future weather forecast for a date between 14 and 300 days from today. Returns 3-hourly data. Available on Pro+ plan and above. It is categorised as a Read tool in the WeatherAPI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the WeatherAPI MCP Server MCP server in PolicyLayer and add a rule for get_future_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 WeatherAPI MCP Server. Nothing to install.
get_future_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_future_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_future_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_future_weather is provided by the WeatherAPI MCP Server MCP server (weatherapicom/weatherapi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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