set_book_properties

THE RISK

Medium Risk

Why set_book_properties needs a policy

This tool modifies book properties in Adobe InDesign, which constitutes a Write operation. It creates or modifies data reversibly without permanent deletion. Severity is medium because changes to book properties could affect document structure and linked files, but the action is undoable and does not directly execute external code or cause financial impact.

From the tool's definition Tool name 'set_book_properties' and description 'Set various properties for a book' indicate modification of existing data structures. The action is reversible (properties can be changed again) and does not delete or destroy data.

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

POLICY

How to control set_book_properties

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 set_book_properties:

policy.json

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

set_book_properties 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

Destructive cleanup_document Clean up document (remove unused elements) Destructive clear_session Clear all session data including page dimensions and document information Destructive delete_all_page_layout_snapshots Delete all layout snapshots for a page Destructive delete_master_spread Delete a master spread Destructive delete_page Delete a page from the document Destructive delete_page_item Delete a page item Destructive delete_page_layout_snapshot Delete the layout snapshot for a page Destructive delete_spread Delete a spread

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 set_book_properties

What does the set_book_properties tool do? +

Set various properties for a book. 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 set_book_properties? +

Register the InDesign MCP Server MCP server in PolicyLayer and add a rule for set_book_properties: 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 set_book_properties? +

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

Can I rate-limit set_book_properties? +

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

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

set_book_properties 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 →