zernio_delete_media
Delete a media file from the Zernio media library.
This record as markdown: /tools/eyalm321-zernio-mcp/zernio-delete-media.md
What zernio_delete_media does on Zernio
AI agents call zernio_delete_media to permanently remove resources in Zernio, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why zernio_delete_media is rated Critical
The tool permanently removes media files from storage without reversibility. While not a financial transaction or code execution, deletion of user-controlled media assets constitutes a destructive action with potential blast radius if triggered inappropriately by an AI agent (loss of marketing assets, campaign imagery, etc.). High severity due to irreversibility and potential impact on business operations.
From the tool's definition Tool name contains 'delete' and description states 'Delete a media file from the Zernio media library' — irreversible removal of data.
Attacks that exploit this kind of access
The rule that runs zernio_delete_media safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Zernio, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For zernio_delete_media, this is the rule to start with:
zernio_delete_media is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Zernio, apply this rule, and every zernio_delete_media call is checked against it from then on.
Questions about zernio_delete_media
Delete a media file from the Zernio media library. It is categorised as a Destructive tool in the Zernio MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Zernio MCP server in PolicyLayer and add a rule for zernio_delete_media: 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 Zernio. Nothing to install.
zernio_delete_media 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 zernio_delete_media 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 zernio_delete_media. 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.
zernio_delete_media is provided by the Zernio MCP server (eyalm321/zernio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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