drive__download

THE RISK

Low Risk

Why drive__download needs a policy

This tool retrieves/downloads existing files from Proton Drive storage to a local destination. It has no side effects on the remote storage—it does not create, modify, or delete any data on Proton Drive itself.

From the tool's definition Tool name 'drive__download' and description 'Download a file or folder from Proton Drive to local path' indicate retrieval of data without modification of the source or creation of new data on the server.

Documented attack patterns abuse exactly the kind of access drive__download gives an agent:

POLICY

How to control drive__download

PolicyLayer is an MCP gateway — it sits between your AI agents and Proton-MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for drive__download:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "drive__download": {}
  }
}

drive__download is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Proton-MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
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FAQ

Questions about drive__download

What does the drive__download tool do? +

Download a file or folder from Proton Drive to local path. It is categorised as a Read tool in the Proton-MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on drive__download? +

Register the Proton- MCP server in PolicyLayer and add a rule for drive__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 Proton-MCP. Nothing to install.

What risk level is drive__download? +

drive__download is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit drive__download? +

Yes. Add a rate_limit block to the drive__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.

How do I block drive__download completely? +

Set action: deny in the PolicyLayer policy for drive__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.

What MCP server provides drive__download? +

drive__download is provided by the Proton- MCP server (jorgenclaw/proton-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Proton-MCP tool call.

Start from Proton-MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →