Get 5-day weather forecast with 3-hour intervals for a specific city
AI agents call get_forecast to retrieve information from OpenWeather 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 and queries public weather forecast data based on city parameters. It has no side effects, does not modify any data, does not execute code or commands, and does not involve financial transactions. It is purely informational retrieval, consistent with the Read category.
From the tool's definition Tool name 'get_forecast' and description 'Get 5-day weather forecast with 3-hour intervals for a specific city' indicate retrieval of weather forecast data with no capability to modify, delete, or execute external operations.
Attacks that exploit this kind of access
Get 5-day weather forecast with 3-hour intervals for a specific city. It is categorised as a Read tool in the OpenWeather MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OpenWeather MCP Server MCP server in PolicyLayer and add a rule for get_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 OpenWeather MCP Server. Nothing to install.
get_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_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_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_forecast is provided by the OpenWeather MCP Server MCP server (madhurtoshniwal/openweather-mcp-server). 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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