Medium Risk

add_slide

Adds a new slide to the presentation using a specified layout index.

How to control add_slide ↓

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

Medium Risk

The tool creates new slides within a presentation, which is a reversible write operation. It does not execute arbitrary code, delete data, or move money. While modifying a presentation could have business impact (severity: medium), the action is not destructive and can be undone by removing the slide. Confidence is high given the clear write semantics in the name and description.

From the tool's definition Adds a new slide to the presentation using a specified layout index. This is a create/modify operation that reversibly adds content to the PPTX file without deletion or irreversibility.

Documented attack patterns abuse exactly the kind of access add_slide gives an agent:

PolicyLayer is an MCP gateway — it sits between your AI agents and PPTX MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for add_slide:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_slide": {
      "limits": [
        {
          "counter": "add_slide_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

add_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.

  1. Create a free account and register PPTX MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
LIMIT THIS TOOL →

Free to start. No card required.

Go deeper

What does the add_slide tool do? +

Adds a new slide to the presentation using a specified layout index. It is categorised as a Write tool in the PPTX 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? +

Register the PPTX MCP Server MCP server in PolicyLayer and add a rule for add_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 PPTX MCP Server. Nothing to install.

What risk level is add_slide? +

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

Can I rate-limit add_slide? +

Yes. Add a rate_limit block to the add_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_slide completely? +

Set action: deny in the PolicyLayer policy for add_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_slide? +

add_slide is provided by the PPTX MCP Server MCP server (samos123/pptx-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every PPTX MCP Server tool call.

Deterministic rules across all 11 PPTX MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

11 PPTX MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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