update_text · Cross-Platform PowerPoint MCP Server MCP

WHAT IT DOES

What update_text does on Cross-Platform PowerPoint MCP Server

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

WHY IT NEEDS A POLICY

Why update_text needs a policy

This tool modifies existing data (text in a PowerPoint shape) reversibly. The change can be undone or overwritten, making it a Write action rather than Destructive. Severity is medium because misuse could corrupt presentation content or inject malicious text, but the damage is recoverable and scoped to the presentation file being edited.

From the tool's definition Tool name is 'update_text' and description states it will 'Update the text content of a shape' — a direct modification operation on presentation content.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_text Rate-limited

update_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": {
    "update_text": {
      "limits": [
        {
          "counter": "update_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 Cross-Platform PowerPoint MCP Server, so you can run agents against it safely.

FAQ

Questions about update_text

What does the update_text tool do? +

Update the text content of a shape. It is categorised as a Write tool in the Cross-Platform PowerPoint 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 update_text? +

Register the Cross-Platform PowerPoint MCP Server MCP server in PolicyLayer and add a rule for update_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 Cross-Platform PowerPoint MCP Server. Nothing to install.

What risk level is update_text? +

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

Can I rate-limit update_text? +

Yes. Add a rate_limit block to the update_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 update_text completely? +

Set action: deny in the PolicyLayer policy for update_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 update_text? +

update_text is provided by the Cross-Platform PowerPoint MCP Server MCP server (vancealexander/powerpoint_mcp_crossplatform). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.