Low Risk

list_drives

Get information about all floppy drives and mounted images

How to control list_drives ↓

What list_drives does on Commodore 64 Ultimate Computer MCP Server

AI agents call list_drives to retrieve information from Commodore 64 Ultimate Computer MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why list_drives needs a policy

This tool queries and returns information about floppy drives and mounted disk images on the Commodore 64 device. It performs only read operations with no capability to modify, delete, execute, or affect system state. The blast radius of misuse is minimal — an AI agent could only enumerate drive information, which poses no security or operational risk.

From the tool's definition Tool name is 'list_drives' and description states 'Get information about all floppy drives and mounted images' — both indicate a retrieval operation with no modification or side effects.

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

How to control list_drives

PolicyLayer is an MCP gateway — it sits between your AI agents and Commodore 64 Ultimate Computer MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_drives:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_drives": {}
  }
}

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

  1. Create a free account and register Commodore 64 Ultimate Computer MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
CAP THIS TOOL →

Free to start. No card required.

Related tools and policies

Go deeper

Questions about list_drives

What does the list_drives tool do? +

Get information about all floppy drives and mounted images. It is categorised as a Read tool in the Commodore 64 Ultimate Computer MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_drives? +

Register the Commodore 64 Ultimate Computer MCP Server MCP server in PolicyLayer and add a rule for list_drives: 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 Commodore 64 Ultimate Computer MCP Server. Nothing to install.

What risk level is list_drives? +

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

Can I rate-limit list_drives? +

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

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

list_drives is provided by the Commodore 64 Ultimate Computer MCP Server MCP server (xphileby/c64u-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Commodore 64 Ultimate Computer MCP Server tool call.

Start from Commodore 64 Ultimate Computer 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.

54 Commodore 64 Ultimate Computer MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

// GET IN TOUCH

Have a question or want to learn more? Send us a message.

Message sent.

We'll get back to you soon.