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wonderwhy-er

Claude Desktop Commander MCP

by wonderwhy-er
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get_file_info

Read-only

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…

Instructions

                    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.
                    
                    Absolute paths are the most reliable because they do not depend on the current working directory. Paths are automatically normalized regardless of slash direction. Relative paths depend on the current working directory, and tilde paths (~/...) may not resolve in every context. Absolute paths are generally the most reliable.
                    This command can be referenced as "DC: ..." or "use Desktop Commander to ..." in your instructions.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already establish readOnlyHint=true, destructiveHint=false and openWorldHint=false, so the safety profile is covered. The description usefully adds the sandbox constraint ('Only works within allowed directories') and path-normalization behavior, though it says nothing about error behavior for missing files.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The field list is front-loaded and scannable, but the path guidance is padded — 'Absolute paths are the most reliable' appears twice in different words, and the 'DC: ...' / 'use Desktop Commander to ...' line is boilerplate that does not help tool selection.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema and zero schema description coverage, the description carries the load well by enumerating every returned field (including file-type-specific ones like sheets and appendPosition) and covering path-format caveats. The main remaining gap is failure behavior inside the allowed-directories constraint.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 0% — the single 'path' parameter has no description in the schema — but the description compensates with substantive guidance: absolute paths are most reliable, paths are normalized regardless of slash direction, relative paths depend on cwd, and tilde paths may not resolve. Format details (e.g., whether paths must exist, directory vs file handling) are still absent.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Opens with a specific verb+resource ('Retrieve detailed metadata about a file or directory') and enumerates the exact fields returned, so an agent can distinguish it from read_file or list_directory without opening the schema.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

States a constraint ('Only works within allowed directories') but never says when to choose this over siblings like read_file or list_directory, nor when it is the wrong tool. Usage is implied rather than specified.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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