Delete a worksheet from the current workbook
AI agents call excel_delete_worksheet to permanently remove resources in Excel Finance MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Deletion of a worksheet cannot be undone programmatically through the tool itself and results in permanent loss of data and structure. This meets the Destructive category definition: 'irreversibly deletes or overwrites data, or actions that cannot be undone.' In a financial workbook context (given the server's purpose of financial calculations, projections, and reporting), deleting a worksheet could result in loss…
From the tool's definition 'Delete a worksheet from the current workbook' — the tool irreversibly removes data structure and any contained data from an Excel workbook.
Attacks that exploit this kind of access
Delete a worksheet from the current workbook. It is categorised as a Destructive tool in the Excel Finance MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Excel Finance MCP server in PolicyLayer and add a rule for excel_delete_worksheet: 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 Excel Finance MCP. Nothing to install.
excel_delete_worksheet 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 excel_delete_worksheet 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 excel_delete_worksheet. 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.
excel_delete_worksheet is provided by the Excel Finance MCP server (jeremycharlesgillespie/excel-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 →