AI agents call weather_hourly to retrieve information from UnClick without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
days | number | — | |
latitude | number | Yes | |
timezone | string | — | |
longitude | number | Yes |
Parameters from the server's own tool schema.
The tool queries a weather forecasting service and returns data. There are no capabilities to modify, delete, execute code, trigger external operations, or move money. The blast radius of misuse is minimal—an AI agent could at most retrieve excessive amounts of weather data or make many requests, but this poses no risk to data integrity, financial systems, or security.
From the tool's definition Tool name and description indicate it 'Get[s] hourly weather forecast' from a public weather API (Open-Meteo).
Attacks that exploit this kind of access
Get hourly weather forecast from Open-Meteo. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
weather_hourly accepts 4 parameters: days, latitude, timezone, longitude. Required: latitude, longitude. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for weather_hourly: 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 UnClick. Nothing to install.
weather_hourly 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 weather_hourly 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 weather_hourly. 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.
weather_hourly is provided by the UnClick MCP server (@unclick/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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