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namtran

diskcleankit-mcp

by namtran

get_storage_breakdown

Analyze disk usage by category to identify what is consuming storage space, including Documents, Downloads, and Caches.

Instructions

Get detailed storage breakdown by category (Documents, Downloads, Developer, Caches, etc.). Use this to answer 'What's eating my disk space?' with specific category sizes.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior4/5

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

No annotations are provided, so the description carries full burden. It accurately implies a read-only operation returning category sizes. No mention of permissions or side effects, but for a simple read operation this is sufficient.

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?

Two sentences, front-loaded with core purpose then usage guidance. Every word contributes value with zero redundancy.

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?

While it lacks output schema and does not specify the exact return format, the description is adequate for a simple breakdown tool. Siblings hint at domain context. Could mention structure of category sizes (list vs object), but not critical.

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?

No parameters exist (0 params, 100% schema coverage), so description naturally cannot add parameter info. Baseline score of 4 applies as no improvement is needed.

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 explicitly states the tool provides a detailed storage breakdown by category, listing examples like Documents, Downloads, Developer, Caches, and includes a common use-case question. This clearly distinguishes it from siblings like get_disk_status (overall usage) and get_large_files (individual files).

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

Usage Guidelines4/5

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

Directly says 'Use this to answer...' providing clear context. However, it does not explicitly mention when not to use it or compare with alternatives, though the sibling list implies differentiation.

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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