set_slide_background_color · Keynote MCP Server MCP

WHAT IT DOES

What set_slide_background_color does on Keynote MCP Server

AI agents use set_slide_background_color 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_slide_background_color needs a policy

This tool creates or modifies presentation data reversibly. It does not read data, execute arbitrary code, destroy content irreversibly, or move money. The blast radius of misuse is low: a wrong background color is trivial to correct and does not compromise data integrity or system security. It aligns with the Write category as a non-destructive modification operation.

From the tool's definition Tool name 'set_slide_background_color' and description indicate it modifies slide appearance by setting a background color. This is a modification operation ('Sets... background color') that is reversible—the color can be changed again or undone.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_slide_background_color Rate-limited

set_slide_background_color 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_slide_background_color": {
      "limits": [
        {
          "counter": "set_slide_background_color_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_slide_background_color

What does the set_slide_background_color tool do? +

Sets a solid background color on a slide. Provide a hex color string like. 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_slide_background_color? +

Register the Keynote MCP Server MCP server in PolicyLayer and add a rule for set_slide_background_color: 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_slide_background_color? +

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

Can I rate-limit set_slide_background_color? +

Yes. Add a rate_limit block to the set_slide_background_color 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_slide_background_color completely? +

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

set_slide_background_color 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.