move-media-type · Mcp Dev MCP: Risk & Policy

WHAT IT DOES

What move-media-type does on Mcp Dev

AI agents use move-media-type to create or update resources in Mcp Dev — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Dev environment.

WHY IT NEEDS A POLICY

Why move-media-type needs a policy

This is a Write operation because it modifies the location/position of a media type within Umbraco CMS, constituting a structural change to content metadata. It is reversible and does not meet the threshold for Destructive (no deletion), Execute (no code/command execution), or Financial impact.

From the tool's definition Tool name 'move-media-type' with description 'Move a media type to a new location' indicates a modification operation that reorganizes/relocates an existing media type definition within Umbraco's hierarchy.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

move-media-type Rate-limited

move-media-type 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": {
    "move-media-type": {
      "limits": [
        {
          "counter": "move-media-type_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 Mcp Dev, so you can run agents against it safely.

FAQ

Questions about move-media-type

What does the move-media-type tool do? +

Move a media type to a new location. It is categorised as a Write tool in the Mcp Dev MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on move-media-type? +

Register the Mcp Dev MCP server in PolicyLayer and add a rule for move-media-type: 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 Dev. Nothing to install.

What risk level is move-media-type? +

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

Can I rate-limit move-media-type? +

Yes. Add a rate_limit block to the move-media-type 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 move-media-type completely? +

Set action: deny in the PolicyLayer policy for move-media-type. 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 move-media-type? +

move-media-type is provided by the Mcp Dev MCP server (@umbraco-cms/mcp-dev). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.