清除Excel工作簿中的数据筛选。 Args: file_path: Excel工作簿的完整路径或相对于输出目录的路径 sheet_name: 工作表名称 Returns: 操作结果信息
AI agents use clear_filter to create or update resources in Office Editor — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Office Editor environment.
This tool clears/removes filter settings from an Excel worksheet. While it modifies the workbook state, it only removes filter criteria (a reversible UI configuration), not actual data. It's a Write operation with low severity since no data is permanently altered — filters can be re-applied.
From the tool's definition 清除Excel工作簿中的数据筛选 (Clear data filters in Excel workbook)
Documented attack patterns abuse exactly the kind of access clear_filter 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_filter:
{
"version": "1",
"default": "deny",
"tools": {
"clear_filter": {
"limits": [
{
"counter": "clear_filter_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}clear_filter stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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清除Excel工作簿中的数据筛选。 Args: file_path: Excel工作簿的完整路径或相对于输出目录的路径 sheet_name: 工作表名称 Returns: 操作结果信息. It is categorised as a Write tool in the Office Editor MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Office Editor MCP server in PolicyLayer and add a rule for clear_filter: 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_filter is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the clear_filter 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_filter. 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_filter 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.
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88 Office Editor tools catalogued and risk-classified — across an index of 42,500+ MCP servers.