Medium Risk

office_create_manifest

Create a basic Office Add-in manifest template

How to control office_create_manifest ↓

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

Medium Risk

This tool creates a new manifest file artifact for Office Add-ins, which is a reversible write operation. It does not execute code, delete data, or move money. The severity is medium because a maliciously crafted manifest could potentially be used to load malicious Office Add-ins or modify Office behavior, but the tool itself only generates a template—actual deployment and execution depend on subsequent actions.

From the tool's definition Tool name 'office_create_manifest' and description 'Create a basic Office Add-in manifest template' indicate file creation (manifest template generation). The verb 'Create' and action of generating a new artifact classify this as a Write operation.

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

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_create_manifest:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "office_create_manifest": {
      "limits": [
        {
          "counter": "office_create_manifest_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

office_create_manifest 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.

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

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Go deeper

What does the office_create_manifest tool do? +

Create a basic Office Add-in manifest template. It is categorised as a Write tool in the Mcp Windows MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on office_create_manifest? +

Register the Mcp Windows MCP server in PolicyLayer and add a rule for office_create_manifest: 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_create_manifest? +

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

Can I rate-limit office_create_manifest? +

Yes. Add a rate_limit block to the office_create_manifest 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_create_manifest completely? +

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

office_create_manifest 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.

Deterministic rules across all 441 Mcp Windows tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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441 Mcp Windows tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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