AI agents invoke video_download to trigger actions in MCP Video & Audio Text Extraction Server. 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.
This tool downloads videos from external platforms (YouTube, Bilibili, TikTok, etc.), which triggers an external network operation and writes files to the local filesystem. The action depends on the URL argument provided and involves fetching and storing external content.
From the tool's definition 从支持的视频平台下载视频 (Download videos from supported video platforms)
Documented attack patterns abuse exactly the kind of access video_download gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Video & Audio Text Extraction Server, and nothing reaches the server without passing your rules. This is the rule we recommend for video_download:
{
"version": "1",
"default": "deny",
"tools": {
"video_download": {
"limits": [
{
"counter": "video_download_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}video_download 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.
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从支持的视频平台下载视频. It is categorised as a Execute tool in the MCP Video & Audio Text Extraction Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the MCP Video & Audio Text Extraction Server MCP server in PolicyLayer and add a rule for video_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 & Audio Text Extraction Server. Nothing to install.
video_download is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the video_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 video_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.
video_download is provided by the MCP Video & Audio Text Extraction Server MCP server (sealingp/mcp-video-extraction). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP Video & Audio Text Extraction Server, 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 & Audio Text Extraction Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.