office_execute_command

THE RISK

High Risk

This tool executes code (Office.js commands) in Microsoft 365 apps, which can trigger side effects depending on arguments—modifying documents, sending emails, accessing sensitive data, or automating workflows. This fits the Execute category (runs code/triggers external operations with argument-dependent effects).

From the tool's definition Tool name 'office_execute_command' and description 'Execute Office.js command for Microsoft 365 apps' explicitly indicate execution of arbitrary commands within Microsoft 365 applications.

Documented attack patterns abuse exactly the kind of access office_execute_command gives an agent:

HOW TO CONTROL OFFICE_EXECUTE_COMMAND

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Windows, and nothing reaches the server without passing your rules. This is the rule we recommend for office_execute_command:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "office_execute_command": {
      "limits": [
        {
          "counter": "office_execute_command_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

office_execute_command stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Mcp Windows — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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FAQ

What does the office_execute_command tool do? +

Execute Office.js command for Microsoft 365 apps. It is categorised as a Execute tool in the Mcp Windows MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on office_execute_command? +

Register the Mcp Windows MCP server in PolicyLayer and add a rule for office_execute_command: 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 Mcp Windows. Nothing to install.

What risk level is office_execute_command? +

office_execute_command is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit office_execute_command? +

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

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

office_execute_command is provided by the Mcp Windows MCP server (mukul975/mcp-windows-automation). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Windows tool call.

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// WHAT OFFICE_EXECUTE_COMMAND ON MCP WINDOWS DOES

// THE RISK

// HOW TO CONTROL OFFICE_EXECUTE_COMMAND

// EXPLORE