Get the daily weather forecast for a city. days: number of days 1-7 (default 7).
AI agents call get_forecast to retrieve information from Weather 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 data with no side effects, state changes, or external operations beyond querying a weather API. It matches the Read category definition: 'retrieves or queries data; no side effects.' The blast radius of misuse is minimal—worst case would be repeated queries consuming API quota, but no data loss, financial impact, or system damage is possible.
From the tool's definition Tool name 'get_forecast' combined with description 'Get the daily weather forecast for a city' indicates a retrieval operation. Parameters 'days: number of days 1-7' show it queries historical forecast data without modifying, creating, or executing operations.
Attacks that exploit this kind of access
Get the daily weather forecast for a city. days: number of days 1-7 (default 7). It is categorised as a Read tool in the Weather MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Weather 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 Weather 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 Weather MCP Server MCP server (shreyaschhabra/weather-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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