清除 Excel 单元格内容.
AI agents call clear_excel_cell to permanently remove resources in Office MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Clearing cell content is an irreversible destructive operation — data is removed from the cell with no undo mechanism in this automated context. The tool name and description both indicate content deletion rather than modification or overwrite with new data.
From the tool's definition 清除 Excel 单元格内容 (Clear Excel cell content)
Attacks that exploit this kind of access
清除 Excel 单元格内容. It is categorised as a Destructive tool in the Office MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Office MCP Server MCP server in PolicyLayer and add a rule for clear_excel_cell: 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 Office MCP Server. Nothing to install.
clear_excel_cell 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 clear_excel_cell 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 clear_excel_cell. 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.
clear_excel_cell is provided by the Office MCP Server MCP server (walkingzzzy/office-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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