create_paragraph_style

THE RISK

Medium Risk

Why create_paragraph_style needs a policy

This tool creates a new paragraph style, which is a design element that can be modified or deleted. It modifies the document's style library but does not irreversibly destroy data, execute arbitrary code, or affect financial systems. The blast radius of misuse is limited to formatting changes within the design document.

From the tool's definition Tool description states 'Create a paragraph style' — a reversible creation operation on design metadata within InDesign documents.

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

POLICY

How to control create_paragraph_style

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_paragraph_style": {
      "limits": [
        {
          "counter": "create_paragraph_style_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

create_paragraph_style 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.

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

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More InDesign MCP Server tools

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All 135 InDesign MCP Server tools →

Write tools on other servers

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about create_paragraph_style

What does the create_paragraph_style tool do? +

Create a paragraph style. It is categorised as a Write tool in the InDesign 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 create_paragraph_style? +

Register the InDesign MCP Server MCP server in PolicyLayer and add a rule for create_paragraph_style: 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 MCP Server. Nothing to install.

What risk level is create_paragraph_style? +

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

Can I rate-limit create_paragraph_style? +

Yes. Add a rate_limit block to the create_paragraph_style 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_paragraph_style completely? +

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

create_paragraph_style is provided by the InDesign MCP Server MCP server (zachshallbetter/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 MCP Server tool call.

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

CHECK YOUR STACK →