pptx_edit_text · Pptx MCP: Risk & Policy

WHAT IT DOES

What pptx_edit_text does on Pptx

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

WHY IT NEEDS A POLICY

Why pptx_edit_text needs a policy

This tool creates or modifies data (text and formatting properties) in a PowerPoint presentation without irreversibly deleting data or executing arbitrary code. The changes are reversible through standard undo/redo operations or by editing again. While it operates on presentation files, the blast radius is limited to text content modifications within slides.

From the tool's definition Tool name 'pptx_edit_text' and description states it 'Edit[s] text content and formatting in an existing shape's paragraph.' This modifies existing presentation content reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

pptx_edit_text Rate-limited

pptx_edit_text 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": {
    "pptx_edit_text": {
      "limits": [
        {
          "counter": "pptx_edit_text_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 Pptx, so you can run agents against it safely.

FAQ

Questions about pptx_edit_text

What does the pptx_edit_text tool do? +

Edit text content and formatting in an existing shape's paragraph. Supports all formatting: font, color, bold, italic, underline, alignment, line spacing. It is categorised as a Write tool in the Pptx MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on pptx_edit_text? +

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

What risk level is pptx_edit_text? +

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

Can I rate-limit pptx_edit_text? +

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

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

pptx_edit_text is provided by the Pptx MCP server (knorq-ai/pptx-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.