Medium Risk

create_document

Create a new InDesign document with advanced options

How to control create_document ↓

What create_document does on Indesign

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

Medium Risk

Why create_document needs a policy

Creating a document is a Write action—it generates new data/file artifacts that can be modified or deleted later. The severity is medium because document creation itself is not destructive and can be undone, but it could consume resources or create unintended files if misused by an agent.

From the tool's definition Tool name 'create_document' and description 'Create a new InDesign document with advanced options' indicate document creation, a reversible write operation.

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

How to control create_document

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

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

create_document 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 Indesign — 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.
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Related tools and policies

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Questions about create_document

What does the create_document tool do? +

Create a new InDesign document with advanced options. It is categorised as a Write tool in the Indesign 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_document? +

Register the Indesign MCP server in PolicyLayer and add a rule for create_document: 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 Indesign. Nothing to install.

What risk level is create_document? +

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

Can I rate-limit create_document? +

Yes. Add a rate_limit block to the create_document 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_document completely? +

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

create_document is provided by the Indesign MCP server (lucdesign/indesign-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Indesign tool call.

Start from Indesign, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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36 Indesign tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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