add_text_to_slide · Wps MCP: Risk & Policy

WHAT IT DOES

What add_text_to_slide does on Wps

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

WHY IT NEEDS A POLICY

Why add_text_to_slide needs a policy

The tool creates new content (a text box) within a presentation document. This is reversible—text boxes can be edited or deleted—making it a Write operation rather than Destructive. The severity is medium because misuse could spam slides with unwanted text or deface presentations, but the effect is limited to a single slide element and fully recoverable.

From the tool's definition Tool name is 'add_text_to_slide' and description states 'Add text box to a slide.' This creates or modifies presentation content by adding a new text box element to an existing slide.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_text_to_slide Rate-limited

add_text_to_slide 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_text_to_slide": {
      "limits": [
        {
          "counter": "add_text_to_slide_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 Wps, so you can run agents against it safely.

FAQ

Questions about add_text_to_slide

What does the add_text_to_slide tool do? +

Add text box to a slide. It is categorised as a Write tool in the Wps 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_text_to_slide? +

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

What risk level is add_text_to_slide? +

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

Can I rate-limit add_text_to_slide? +

Yes. Add a rate_limit block to the add_text_to_slide 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_text_to_slide completely? +

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

add_text_to_slide is provided by the Wps MCP server (xiao-rx/wps-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.