add_slide_layout · Slidev MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_slide_layout does on Slidev MCP Server

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

WHY IT NEEDS A POLICY

Why add_slide_layout needs a policy

This tool creates new presentation content (a slide with a specified layout) which falls under Write category—content creation that is reversible. It does not execute code, delete data, move money, or perform irreversible operations. The severity is low because misuse would only result in unwanted slide formatting within a presentation, easily corrected or undone.

From the tool's definition Tool name 'add_slide_layout' and description state it adds a slide with a specific layout, which creates/modifies presentation content. The operation is reversible (slides can be edited or removed) and has no side effects beyond the intended slide creation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_slide_layout Rate-limited

add_slide_layout 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": {
    "add_slide_layout": {
      "limits": [
        {
          "counter": "add_slide_layout_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 Slidev MCP Server, so you can run agents against it safely.

FAQ

Questions about add_slide_layout

What does the add_slide_layout tool do? +

Add a slide with a specific Slidev layout. Layouts control the visual structure and positioning of content on slides. It is categorised as a Write tool in the Slidev 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 add_slide_layout? +

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

What risk level is add_slide_layout? +

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

Can I rate-limit add_slide_layout? +

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

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

add_slide_layout is provided by the Slidev MCP Server MCP server (raykuonz/slidev-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.