REQUIRED for cleaning up old cached media files (images and videos) and freeing disk space. Use this tool when users want to remove old cached media, clean up storage space, or when cache becomes too large. Essential for cache maintenance and storage management.
AI agents call cleanup_media_cache to permanently remove resources in Facebook Ads Library MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Although the cache cleanup is intentional maintenance rather than accidental data loss, the tool irreversibly deletes stored files/media. This meets the Destructive category definition ('irreversibly deletes or overwrites data, or actions that cannot be undone').
From the tool's definition Tool performs irreversible deletion: 'cleaning up old cached media files' and 'remove old cached media' indicate permanent removal of cached data without recovery mechanism.
Attacks that exploit this kind of access
REQUIRED for cleaning up old cached media files (images and videos) and freeing disk space. Use this tool when users want to remove old cached media, clean up storage space, or when cache becomes too large. Essential for cache maintenance and storage management. It is categorised as a Destructive tool in the Facebook Ads Library MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Facebook Ads Library MCP Server MCP server in PolicyLayer and add a rule for cleanup_media_cache: 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 Facebook Ads Library MCP Server. Nothing to install.
cleanup_media_cache 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_media_cache 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_media_cache. 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_media_cache is provided by the Facebook Ads Library MCP Server MCP server (proxy-intell/facebook-ads-library-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.
Teams ship this data inside their own products. See what a licence covers →