change_excel_pivot_data_source · Office MCP Server MCP

WHAT IT DOES

What change_excel_pivot_data_source does on Office MCP Server

AI agents use change_excel_pivot_data_source 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 change_excel_pivot_data_source needs a policy

The tool name suggests it modifies the data source of an Excel pivot table, which is a reversible write operation. However, the empty description lowers confidence significantly. Based on naming conventions and the server's context of Office document editing, this is most likely a Write operation that changes configuration of a pivot table.

From the tool's definition Tool name: change_excel_pivot_data_source. Description is empty.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

change_excel_pivot_data_source Rate-limited

change_excel_pivot_data_source 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": {
    "change_excel_pivot_data_source": {
      "limits": [
        {
          "counter": "change_excel_pivot_data_source_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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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 change_excel_pivot_data_source

What does the change_excel_pivot_data_source tool do? +

change_excel_pivot_data_source. 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 change_excel_pivot_data_source? +

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

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

Can I rate-limit change_excel_pivot_data_source? +

Yes. Add a rate_limit block to the change_excel_pivot_data_source 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 change_excel_pivot_data_source completely? +

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

change_excel_pivot_data_source 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.