Remove expired forecasts from Cloud SQL database.
AI agents call cleanup_expired_forecasts to permanently remove resources in Forecast Storage MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool permanently deletes forecasts from Cloud SQL PostgreSQL without reversibility. Although the deletions are scoped to expired records (mitigating uncontrolled blast radius), the operation is fundamentally destructive and cannot be undone. This ranks above Execute because the data loss is irreversible and the tool's primary purpose is deletion, not dynamic execution with variable outcomes.
From the tool's definition Tool name 'cleanup_expired_forecasts' and description 'Remove expired forecasts from Cloud SQL database' indicate irreversible deletion of data records from a persistent database.
Attacks that exploit this kind of access
Remove expired forecasts from Cloud SQL database. It is categorised as a Destructive tool in the Forecast Storage MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Forecast Storage MCP Server MCP server in PolicyLayer and add a rule for cleanup_expired_forecasts: 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.
cleanup_expired_forecasts is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the cleanup_expired_forecasts 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 cleanup_expired_forecasts. 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.
cleanup_expired_forecasts 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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