AI agents use audio_download to create or update resources in MCP Video Extraction Plus — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Video Extraction Plus environment.
This tool downloads audio from video platforms and saves it locally, which constitutes a Write operation as it creates new files on the local filesystem. It is not purely Read (no side effects) because it persists data to disk. It does not execute arbitrary code, delete data, or involve financial transactions.
From the tool's definition 从支持的视频平台下载音频 (Download audio from supported video platforms)
Documented attack patterns abuse exactly the kind of access audio_download gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Video Extraction Plus, and nothing reaches the server without passing your rules. This is the rule we recommend for audio_download:
{
"version": "1",
"default": "deny",
"tools": {
"audio_download": {
"limits": [
{
"counter": "audio_download_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}audio_download 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.
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从支持的视频平台下载音频. It is categorised as a Write tool in the MCP Video Extraction Plus MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the MCP Video Extraction Plus MCP server in PolicyLayer and add a rule for audio_download: 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 MCP Video Extraction Plus. Nothing to install.
audio_download is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the audio_download 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.
Set action: deny in the PolicyLayer policy for audio_download. 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.
audio_download is provided by the MCP Video Extraction Plus MCP server (takereshui/mcp-video-extraction-plus). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP Video Extraction Plus, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
3 MCP Video Extraction Plus tools catalogued and risk-classified — across an index of 43,000+ MCP servers.