Delete view permanently. Cannot be undone.
AI agents call tool_drop_view to permanently remove resources in Mcp Excel — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently deletes a database view with no recovery option. While the blast radius is limited to view metadata (not raw data rows), the irreversible nature of the deletion and inability to undo it places this squarely in the Destructive category.
From the tool's definition Tool description states 'Delete view permanently. Cannot be undone.' The words 'Delete' and 'permanently' combined with 'Cannot be undone' directly indicate irreversible data/schema destruction.
Attacks that exploit this kind of access
Delete view permanently. Cannot be undone. It is categorised as a Destructive tool in the Mcp Excel MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mcp Excel MCP server in PolicyLayer and add a rule for tool_drop_view: 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 Mcp Excel. Nothing to install.
tool_drop_view 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 tool_drop_view 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 tool_drop_view. 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.
tool_drop_view is provided by the Mcp Excel MCP server (ivan-loh/mcp-excel). 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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