generate_text_to_video

THE RISK

High Risk

Why generate_text_to_video needs a policy

This tool triggers an external AI generation operation (video creation) on third-party APIs. It is an Execute category because it initiates an external computational process whose effects depend on the input arguments. Severity is high because misuse could result in significant API costs, generation of harmful or inappropriate content, and unintended consumption of rate-limited or paid API resources at scale.

From the tool's definition Generates a video from text using RunwayML or Luma AI

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

POLICY

How to control generate_text_to_video

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

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "generate_text_to_video": {
      "limits": [
        {
          "counter": "generate_text_to_video_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

generate_text_to_video stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register RunwayML + Luma AI MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More RunwayML + Luma AI MCP Server tools

Destructive luma_delete_generation Deletes a specific Luma AI generation. Execute generate_image_to_video Generates a video from an image using RunwayML or Luma AI. Write enhance_prompt Uses an LLM (via OpenRouter) to refine a prompt for video generation. Write luma_add_audio Adds audio to a specific Luma AI generation based on a prompt. Write luma_generate_image Generates an image using Luma AI. Write luma_upscale Upscales a specific Luma AI generation to a higher resolution. Read luma_get_camera_motions Lists supported camera motions for Luma AI prompts. Read luma_get_generation Gets details for a specific Luma AI generation.

All 10 RunwayML + Luma AI MCP Server tools →

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Go deeper

High-risk tools in RunwayML + Luma AI MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about generate_text_to_video

What does the generate_text_to_video tool do? +

Generates a video from text using RunwayML or Luma AI. It is categorised as a Execute tool in the RunwayML + Luma AI MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on generate_text_to_video? +

Register the RunwayML + Luma AI MCP Server MCP server in PolicyLayer and add a rule for generate_text_to_video: 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 RunwayML + Luma AI MCP Server. Nothing to install.

What risk level is generate_text_to_video? +

generate_text_to_video is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit generate_text_to_video? +

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

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

generate_text_to_video is provided by the RunwayML + Luma AI MCP Server MCP server (wheattoast11/mcp-video-gen). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every RunwayML + Luma AI MCP Server tool call.

Start from RunwayML + Luma AI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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