get_file_info

SERVERDesktop Commander SOURCEwonderwhy-er/DesktopCommanderMCP

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/desktop-commander/get-file-info.md

WHAT IT DOES

What get_file_info does on Desktop Commander

AI agents call get_file_info to retrieve information from Desktop Commander without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_file_info is rated Low

This tool performs read-only operations that query file system metadata. It returns information about files and directories (size, timestamps, permissions, type, and content statistics) without creating, modifying, deleting, or executing anything. It has no side effects and poses minimal security risk beyond potential information disclosure about file system structure.

From the tool's definition Retrieve detailed metadata about a file or directory including: size, creation time, last modified time, permissions, type, lineCount, lastLine, appendPosition, sheets.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_file_info safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Desktop Commander, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_file_info, this is the rule to start with:

get_file_info Allowed

get_file_info is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Desktop Commander, apply this rule, and every get_file_info call is checked against it from then on.

FAQ

Questions about get_file_info

What does the get_file_info tool do? +

Retrieve detailed metadata about a file or directory including: - size - creation time - last modified time - permissions - type - lineCount (for text files) - lastLine (zero-indexed number of last line, for text files) - appendPosition (line number for appending, for text files) - sheets (for Excel files - array of {name, rowCount, colCount}) Only works within allowed directories. ${PATH_GUIDANCE} ${CMD_PREFIX_DESCRIPTION}. It is categorised as a Read tool in the Desktop Commander MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_file_info? +

Register the Desktop Commander MCP server in PolicyLayer and add a rule for get_file_info: 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 Desktop Commander. Nothing to install.

What risk level is get_file_info? +

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

Can I rate-limit get_file_info? +

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

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

get_file_info is provided by the Desktop Commander MCP server (wonderwhy-er/DesktopCommanderMCP). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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