Medium Risk

create_zip_archive

Create a ZIP archive from files or directories

How to control create_zip_archive ↓

AI agents use create_zip_archive 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

The tool creates (writes) a new ZIP archive file, which is a reversible operation—the archive can be deleted or recreated. It does not execute arbitrary code, delete data irreversibly, or move money. While it operates on a Windows system with broad automation capabilities, this specific tool's scope is limited to archive creation.

From the tool's definition Tool name 'create_zip_archive' and description 'Create a ZIP archive from files or directories' indicate the tool creates new archive files. This is a write operation that modifies the file system by creating new data structures.

Documented attack patterns abuse exactly the kind of access create_zip_archive 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 create_zip_archive:

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

create_zip_archive 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 create_zip_archive tool do? +

Create a ZIP archive from files or directories. 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 create_zip_archive? +

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

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

Can I rate-limit create_zip_archive? +

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

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

create_zip_archive 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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