import_excel_from_json · Office MCP Server MCP

WHAT IT DOES

What import_excel_from_json does on Office MCP Server

AI agents use import_excel_from_json 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_json needs a policy

The tool imports JSON data into an Excel file, which constitutes creating or modifying data in a structured document format. This is a Write operation—it can add or overwrite cells/sheets but the changes are reversible (can be undone or the file deleted). The severity is medium because misuse could corrupt important spreadsheets or overwrite critical business data, but the damage is recoverable.

From the tool's definition Tool name 'import_excel_from_json' and description '从 JSON 导入数据到 Excel' (imports data from JSON to Excel) indicate the tool creates or modifies Excel documents by populating them with external data. This is a reversible data creation/modification operation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

import_excel_from_json Rate-limited

import_excel_from_json 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_json": {
      "limits": [
        {
          "counter": "import_excel_from_json_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_json

What does the import_excel_from_json tool do? +

从 JSON 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_json? +

Register the Office MCP Server MCP server in PolicyLayer and add a rule for import_excel_from_json: 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_json? +

import_excel_from_json 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_json? +

Yes. Add a rate_limit block to the import_excel_from_json 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_json completely? +

Set action: deny in the PolicyLayer policy for import_excel_from_json. 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_json? +

import_excel_from_json 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.