set_image_position · Keynote MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_image_position does on Keynote MCP Server

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

WHY IT NEEDS A POLICY

Why set_image_position needs a policy

This tool modifies an existing image's position and size attributes, which are reversible changes. It does not delete content (not Destructive), execute arbitrary code (not Execute), involve financial transactions (not Financial), or retrieve data without side effects (not Read). The action is a straightforward content edit within a presentation document, consistent with Write-category operations.

From the tool's definition Tool description states it "Repositions and/or resizes an existing image on a slide" — a reversible modification of presentation content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_image_position Rate-limited

set_image_position 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.

View as policy code

policy.json

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

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Keynote MCP Server, so you can run agents against it safely.

FAQ

Questions about set_image_position

What does the set_image_position tool do? +

Repositions and/or resizes an existing image on a slide. It is categorised as a Write tool in the Keynote 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_image_position? +

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

What risk level is set_image_position? +

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

Can I rate-limit set_image_position? +

Yes. Add a rate_limit block to the set_image_position 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_image_position completely? +

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

set_image_position is provided by the Keynote MCP Server MCP server (superdwayne/keynotemp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.