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finder_list

Lists files and folders at any absolute path on your Mac, including directories outside the home folder, without relying on Spotlight indexing.

Instructions

Lists files and folders at any absolute path (Spotlight-free directory listing, including outside the home...

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

With no annotations, the description carries the burden of transparency. It reveals that the tool is Spotlight-free and can access paths outside the home directory, providing some behavioral context. However, it does not disclose whether the operation is read-only, requires permissions, or other safety aspects.

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

Conciseness4/5

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

The description is a single sentence that efficiently conveys the tool's purpose and key differentiator. It is front-loaded but appears truncated with an ellipsis, which slightly reduces clarity.

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

Completeness3/5

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

For a simple tool with no parameters and no output schema, the description covers the essential purpose and a key behavioral trait. However, it lacks details on output format, recursion, or limitations, which would be useful for an agent to invoke it correctly.

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?

The input schema has zero parameters, so the baseline is 4. The description does not add parameter-specific meaning, but it appropriately defines the tool's scope without needing parameters.

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 states the tool's function: 'Lists files and folders at any absolute path'. It also distinguishes from siblings by specifying 'Spotlight-free directory listing, including outside the home...', which sets it apart from search tools like finder_search.

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 usage for absolute path listings without Spotlight, but does not explicitly provide when-to-use or when-not-to-use guidance compared to other file listing tools like fs_list or finder_search.

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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