set_metadata · Premiere MCP 剪辑助手 MCP: Risk & Policy

WHAT IT DOES

What set_metadata does on Premiere MCP 剪辑助手

AI agents use set_metadata to create or update resources in Premiere MCP 剪辑助手 — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Premiere MCP 剪辑助手 environment.

WHY IT NEEDS A POLICY

Why set_metadata needs a policy

An AI agent can call set_metadata faster than any human can review — one bad instruction and it creates or modifies resources in Premiere MCP 剪辑助手 by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_metadata Rate-limited

set_metadata 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_metadata": {
      "limits": [
        {
          "counter": "set_metadata_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Premiere MCP 剪辑助手, so you can run agents against it safely.

FAQ

Questions about set_metadata

What does the set_metadata tool do? +

Sets a project metadata value on a project item. It is categorised as a Write tool in the Premiere MCP 剪辑助手 MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_metadata? +

Register the Premiere MCP 剪辑助手 MCP server in PolicyLayer and add a rule for set_metadata: 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 Premiere MCP 剪辑助手. Nothing to install.

What risk level is set_metadata? +

set_metadata is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_metadata? +

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

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

set_metadata is provided by the Premiere MCP 剪辑助手 MCP server (sylphiette269/premiere-mcp-editor-cn). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.