disk_parse_mft

THE RISK

Low Risk

Why disk_parse_mft needs a policy

The tool reads and parses the NTFS Master File Table to extract file metadata. This is a forensic read operation with no side effects. Severity is medium because MFT access exposes sensitive filesystem metadata including file paths, timestamps, and potentially deleted file records across the entire volume.

From the tool's definition Parse $MFT (Master File Table) for file metadata, NTFS alternate

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

POLICY

How to control disk_parse_mft

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

policy.json

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

disk_parse_mft 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 Windows Forensics MCP Server — 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

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about disk_parse_mft

What does the disk_parse_mft tool do? +

Parse $MFT (Master File Table) for file metadata, NTFS alternate. It is categorised as a Read tool in the Windows Forensics MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on disk_parse_mft? +

Register the Windows Forensics MCP Server MCP server in PolicyLayer and add a rule for disk_parse_mft: 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 Windows Forensics MCP Server. Nothing to install.

What risk level is disk_parse_mft? +

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

Can I rate-limit disk_parse_mft? +

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

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

disk_parse_mft is provided by the Windows Forensics MCP Server MCP server (x746b/winforensics-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Windows Forensics MCP Server tool call.

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

CHECK YOUR STACK →