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by feli0x
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript

dir_tree

Generate a nested directory tree for a path, with configurable max depth and hidden file inclusion.

Instructions

Returns a nested directory tree for the specified path

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "dir_tree"
  }
}

Input Schema

NameRequiredDescriptionDefault
pathNoOptional path within the root directories to list
maxDepthNoMaximum directory depth to traverse (default: 5)
includeHiddenNoWhether to include hidden files and directories (default: false)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.4.1

TDQS

B3.4/5.0
Behavior2/5

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

No annotations are provided, so the description carries full responsibility for disclosing behavioral traits. It only states the basic function and does not mention edge cases, such as handling of non-existent paths, whether files are included in the tree, or how hidden files are treated. The description is too thin to be fully transparent.

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

Conciseness5/5

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

The description is a single concise sentence that focuses on the primary purpose. Every word earns its place, with no redundancy or fluff.

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

Completeness2/5

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

The tool has three optional parameters, no output schema, and no annotations. The description does not explain the format of the returned tree, whether it includes files, or how edge cases are handled. Given the lack of structural metadata, the description is insufficient for an agent to fully understand the tool's behavior.

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

Parameters3/5

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

Schema description coverage is 100%, so the schema already documents all three parameters. The description only references the 'path' parameter and adds no extra meaning beyond what the schema provides for maxDepth and includeHidden. Baseline 3 is appropriate.

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?

The description clearly specifies the action ('Returns a nested directory tree') and the resource ('specified path'). It distinguishes itself from sibling tools like list_files (flat listing), search_files, and read_files by focusing on the tree structure.

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?

The description implies it should be used when a directory tree is needed, but it gives no explicit guidance on when to prefer this over list_files or search_files. No alternatives or exclusions are mentioned.

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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