keynote_list_master_slides

THE RISK

Low Risk

Why keynote_list_master_slides needs a policy

This tool queries and returns information about existing master slide layouts without creating, modifying, deleting, or executing any operations. It is a read-only inspection tool with minimal security impact.

From the tool's definition Tool name 'keynote_list_master_slides' and description 'List all available master slide layouts in the current theme' indicate a retrieval operation with no side effects.

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

POLICY

How to control keynote_list_master_slides

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "keynote_list_master_slides": {}
  }
}

keynote_list_master_slides is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about keynote_list_master_slides

What does the keynote_list_master_slides tool do? +

List all available master slide layouts in the current theme. It is categorised as a Read tool in the Iwork MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on keynote_list_master_slides? +

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

What risk level is keynote_list_master_slides? +

keynote_list_master_slides is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit keynote_list_master_slides? +

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

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

keynote_list_master_slides is provided by the Iwork MCP server (reichenbach/iwork_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Iwork tool call.

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

CHECK YOUR STACK →