slides_generate_narration

Add AI voice narration to a completed Nano Banana job (slides_create_like_this or slides_create_pdf_slides only; Fast PPT not supported). Async only — poll result with jobs_get. mode=

SERVER2slides MCP Server SOURCE2slides/mcp-2slides

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/2slides-mcp-2slides/slides-generate-narration.md

WHAT IT DOES

What slides_generate_narration does on 2slides MCP Server

AI agents use slides_generate_narration to create or update resources in 2slides MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your 2slides MCP Server environment.

RISK

Why slides_generate_narration is rated Medium

The tool creates new content (voice narration) and attaches it to an existing presentation artifact. This is a modification operation that changes the slide output but does not delete or destroy data irreversibly. While it performs a media generation task, the net effect is adding reversible content to a project.

From the tool's definition Tool modifies a completed slide job by adding narration to it ('Add AI voice narration to a completed Nano Banana job').

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs slides_generate_narration safely

PolicyLayer is an MCP gateway: it sits between your AI agents and 2slides MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For slides_generate_narration, this is the rule to start with:

slides_generate_narration Rate-limited

slides_generate_narration 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": {
    "slides_generate_narration": {
      "limits": [
        {
          "counter": "slides_generate_narration_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect 2slides MCP Server, apply this rule, and every slides_generate_narration call is checked against it from then on.

FAQ

Questions about slides_generate_narration

What does the slides_generate_narration tool do? +

Add AI voice narration to a completed Nano Banana job (slides_create_like_this or slides_create_pdf_slides only; Fast PPT not supported). Async only — poll result with jobs_get. mode=. It is categorised as a Write tool in the 2slides 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 slides_generate_narration? +

Register the 2slides MCP Server MCP server in PolicyLayer and add a rule for slides_generate_narration: 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 2slides MCP Server. Nothing to install.

What risk level is slides_generate_narration? +

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

Can I rate-limit slides_generate_narration? +

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

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

slides_generate_narration is provided by the 2slides MCP Server MCP server (2slides/mcp-2slides). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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