AI agents use concatenate_videos to create or update resources in Video & Audio Editing MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Video & Audio Editing MCP Server environment.
Concatenate operations create new video files by combining existing ones, which is a reversible write operation. While the tool description is empty, the name and server context clearly indicate data modification rather than deletion or code execution. Severity is medium because misuse could consume storage or create unwanted video files, but operations are reversible and don't cause data loss or financial impact.
From the tool's definition Tool name 'concatenate_videos' indicates combining multiple video files. Server description emphasizes FFmpeg-based editing capabilities.
Documented attack patterns abuse exactly the kind of access concatenate_videos gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Video & Audio Editing MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for concatenate_videos:
{
"version": "1",
"default": "deny",
"tools": {
"concatenate_videos": {
"limits": [
{
"counter": "concatenate_videos_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}concatenate_videos 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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concatenate_videos. It is categorised as a Write tool in the Video & Audio Editing MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Video & Audio Editing MCP Server MCP server in PolicyLayer and add a rule for concatenate_videos: 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 Video & Audio Editing MCP Server. Nothing to install.
concatenate_videos 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 concatenate_videos 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 concatenate_videos. 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.
concatenate_videos is provided by the Video & Audio Editing MCP Server MCP server (misbahsy/video-audio-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Video & Audio Editing MCP 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.
27 Video & Audio Editing MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.