play_youtube_video · YT-NINJA MCP: Risk & Policy

WHAT IT DOES

What play_youtube_video does on YT-NINJA

AI agents invoke play_youtube_video to trigger actions in YT-NINJA. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why play_youtube_video needs a policy

This tool triggers external application execution (browser or VLC media player) to play a video. It initiates an external operation whose effects depend on the provided arguments (which video to play, which player to use). This is clearly Execute category as it launches/controls external processes.

From the tool's definition Play YouTube video in browser or VLC

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

play_youtube_video Rate-limited

play_youtube_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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches YT-NINJA, so you can run agents against it safely.

FAQ

Questions about play_youtube_video

What does the play_youtube_video tool do? +

Play YouTube video in browser or VLC. It is categorised as a Execute tool in the YT-NINJA MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on play_youtube_video? +

Register the YT-NINJA MCP server in PolicyLayer and add a rule for play_youtube_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 YT-NINJA. Nothing to install.

What risk level is play_youtube_video? +

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

Can I rate-limit play_youtube_video? +

Yes. Add a rate_limit block to the play_youtube_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 play_youtube_video completely? +

Set action: deny in the PolicyLayer policy for play_youtube_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 play_youtube_video? +

play_youtube_video is provided by the YT-NINJA MCP server (satyamkumar420/yt-ninja-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.