Get long-range seasonal forecasts for temperature and precipitation up to 9 months ahead.
AI agents call seasonal_forecast to retrieve information from Open Meteo without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries historical weather forecast data and returns predictions without side effects. No data is created, modified, or deleted. It is a read-only retrieval operation consistent with other tools on this meteorological server (geocoding, air_quality, forecasts).
From the tool's definition Tool retrieves 'long-range seasonal forecasts' with no modification, creation, or deletion of data. Description indicates a query/fetch operation returning weather prediction data.
Attacks that exploit this kind of access
Get long-range seasonal forecasts for temperature and precipitation up to 9 months ahead. It is categorised as a Read tool in the Open Meteo MCP Server, which means it retrieves data without modifying state.
Register the Open Meteo MCP server in PolicyLayer and add a rule for seasonal_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. Nothing to install.
seasonal_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 seasonal_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 seasonal_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.
seasonal_forecast is provided by the Open Meteo MCP server (windsornguyen/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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