transfer · Netdisk MCP: Risk & Policy

WHAT IT DOES

What transfer does on Netdisk

AI agents use transfer to create or update resources in Netdisk — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Netdisk environment.

WHY IT NEEDS A POLICY

Why transfer needs a policy

Based on the server description mentioning 'file transfer' as a core capability and the tool name 'transfer', this likely moves or copies files between locations. File transfer is typically a Write operation (creating/moving data). However, the empty description significantly lowers confidence.

From the tool's definition Tool name 'transfer' on a cloud storage MCP server that handles 'file transfer' operations; description is empty.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

transfer Rate-limited

transfer 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": {
    "transfer": {
      "limits": [
        {
          "counter": "transfer_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 Netdisk, so you can run agents against it safely.

FAQ

Questions about transfer

What does the transfer tool do? +

transfer. It is categorised as a Write tool in the Netdisk MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on transfer? +

Register the Netdisk MCP server in PolicyLayer and add a rule for transfer: 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 Netdisk. Nothing to install.

What risk level is transfer? +

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

Can I rate-limit transfer? +

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

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

transfer is provided by the Netdisk MCP server (ptbsare/netdisk-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.