Get weather forecast for a location (latitude and longitude).
AI agents call get_forecast_latlong to retrieve information from Simple Weather MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves forecasted weather information based on geographic coordinates. It is a read-only operation that has no side effects, does not modify data, and does not execute arbitrary code. The low severity reflects that misuse would only expose publicly available weather data with no impact on system integrity or data security.
From the tool's definition Tool name 'get_forecast' and description 'Get weather forecast' indicate data retrieval with no side effects. The tool queries weather data by coordinates without modifying, deleting, or executing operations.
Attacks that exploit this kind of access
Get weather forecast for a location (latitude and longitude). It is categorised as a Read tool in the Simple Weather MCP MCP Server, which means it retrieves data without modifying state.
Register the Simple Weather MCP server in PolicyLayer and add a rule for get_forecast_latlong: 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 Simple Weather MCP. Nothing to install.
get_forecast_latlong 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_latlong 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_latlong. 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_latlong is provided by the Simple Weather MCP server (markmehere/simple-weather-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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