import_excel_from_csv · Office MCP Server MCP: Risk & Policy

WHAT IT DOES

What import_excel_from_csv does on Office MCP Server

AI agents use import_excel_from_csv to create or update resources in Office MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Office MCP Server environment.

WHY IT NEEDS A POLICY

Why import_excel_from_csv needs a policy

This tool creates or modifies Excel documents by importing external CSV data. It is a reversible operation (data can be edited or cleared later), making it Write rather than Destructive. The severity is medium because it can overwrite existing Excel sheets or introduce incorrect data, but effects are recoverable and depend on the CSV source provided.

From the tool's definition Tool name 'import_excel_from_csv' and description '从 CSV 导入数据到 Excel' (Import data from CSV to Excel) indicate creation/modification of Excel data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

import_excel_from_csv Rate-limited

import_excel_from_csv 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "import_excel_from_csv": {
      "limits": [
        {
          "counter": "import_excel_from_csv_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Office MCP Server, so you can run agents against it safely.

FAQ

Questions about import_excel_from_csv

What does the import_excel_from_csv tool do? +

从 CSV 导入数据到 Excel. It is categorised as a Write tool in the Office MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on import_excel_from_csv? +

Register the Office MCP Server MCP server in PolicyLayer and add a rule for import_excel_from_csv: 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.

What risk level is import_excel_from_csv? +

import_excel_from_csv is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit import_excel_from_csv? +

Yes. Add a rate_limit block to the import_excel_from_csv 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.

How do I block import_excel_from_csv completely? +

Set action: deny in the PolicyLayer policy for import_excel_from_csv. 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.

What MCP server provides import_excel_from_csv? +

import_excel_from_csv 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.