AI agents call get_seasonal_forecast_by_city to retrieve information from Mcp Meteo without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves seasonal weather forecast information based on a city parameter. It is a read-only operation that queries weather data from the Open-Meteo service. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal—an agent could only retrieve forecast data it shouldn't have access to, which poses negligible security risk.
From the tool's definition Tool name contains 'get_' and description indicates 'Prévisions saisonnières (long terme) pour une ville donnée' (seasonal forecasts for a given city).
Attacks that exploit this kind of access
Prévisions saisonnières (long terme) pour une ville donnée. It is categorised as a Read tool in the Mcp Meteo MCP Server, which means it retrieves data without modifying state.
Register the Mcp Meteo MCP server in PolicyLayer and add a rule for get_seasonal_forecast_by_city: 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 Mcp Meteo. Nothing to install.
get_seasonal_forecast_by_city 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_seasonal_forecast_by_city 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_seasonal_forecast_by_city. 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_seasonal_forecast_by_city is provided by the Mcp Meteo MCP server (kerryanopmace/mcp-meteo). 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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