Retrieve cached forecast from Cloud SQL if available and not expired.
AI agents call get_cached_forecast to retrieve information from Forecast Storage MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves cached weather forecast data from a database without creating, modifying, deleting, or executing any operations. It performs a pure read operation with no side effects, matching the 'Read' category definition.
From the tool's definition Tool name 'get_cached_forecast' and description 'Retrieve cached forecast from Cloud SQL if available and not expired' indicate a data retrieval operation with no modification or deletion of data.
Attacks that exploit this kind of access
Retrieve cached forecast from Cloud SQL if available and not expired. It is categorised as a Read tool in the Forecast Storage MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Forecast Storage MCP Server MCP server in PolicyLayer and add a rule for get_cached_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 Forecast Storage MCP Server. Nothing to install.
get_cached_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_cached_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_cached_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_cached_forecast is provided by the Forecast Storage MCP Server MCP server (whut-news/forecast_storage_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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