Get weather forecast from Canadian weather service GEM model with high-resolution data for Canada and North America.
AI agents call gem_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 and returns weather forecast information without modifying, deleting, or executing external operations. It is purely a read operation that retrieves data from a weather API. The data returned is informational only and cannot cause harm through misuse in typical LLM contexts.
From the tool's definition Tool retrieves weather forecast data from Canadian GEM model with high-resolution data for Canada and North America. Uses 'Get' verb indicating data retrieval with no side effects.
Attacks that exploit this kind of access
Get weather forecast from Canadian weather service GEM model with high-resolution data for Canada and North America. 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 gem_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.
gem_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 gem_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 gem_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.
gem_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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