AI agents call clear_data_validation to permanently remove resources in Office Editor — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The name 'clear_data_validation' strongly implies removing/deleting validation rules from a spreadsheet cell or range, which is typically an irreversible operation. However, the description is empty, so confidence is reduced. Given the context of an Office editor MCP server working with Excel documents, clearing data validation rules fits the Destructive category (irreversible deletion of configuration).
From the tool's definition Tool name: 'clear_data_validation' — 'clear' suggests irreversible removal of data validation rules from a document.
Documented attack patterns abuse exactly the kind of access clear_data_validation gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Office Editor, and nothing reaches the server without passing your rules. This is the rule we recommend for clear_data_validation:
{
"version": "1",
"default": "deny",
"hide": [
"clear_data_validation"
]
}clear_data_validation disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
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clear_data_validation. It is categorised as a Destructive tool in the Office Editor MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Office Editor MCP server in PolicyLayer and add a rule for clear_data_validation: 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 Editor. Nothing to install.
clear_data_validation 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_data_validation 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_data_validation. 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_data_validation is provided by the Office Editor MCP server (thewdy/office-editor-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 88 Office Editor tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
88 Office Editor tools catalogued and risk-classified — across an index of 42,500+ MCP servers.