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mega_ls

List files and folders in MEGA cloud storage, with optional detailed view including sizes and dates, and recursive scanning of subdirectories.

Instructions

List files and folders in MEGA cloud storage

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathNoRemote path to list (default: current directory)/
longNoShow detailed listing with sizes and dates
recursiveNoList recursively
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure. It only states the basic action, omitting details like whether hidden files are included, sorting order, or how large directories are handled. This lack of transparency could mislead the agent.

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, front-loaded sentence that efficiently conveys the core purpose. It is concise and avoids unnecessary words. However, it could be slightly longer to provide more context without losing conciseness.

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?

Given the simple nature of the tool with no output schema and well-documented parameters, the description is minimally complete. It does not explain return format or special behaviors, but for a basic list operation it is adequate.

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?

All three parameters have descriptions in the input schema (100% coverage), so the schema already documents them. The tool description adds no additional value beyond restating the purpose. According to calibration, baseline 3 is appropriate.

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

Purpose4/5

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

The description clearly states the verb 'List' and the resource 'files and folders in MEGA cloud storage', making the tool's purpose evident. However, it does not distinguish from sibling tools like mega_tree that also list, leaving some ambiguity in selection.

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

Usage Guidelines2/5

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

No guidance is provided on when to use this tool versus alternatives (e.g., mega_find, mega_tree). There is no mention of context, prerequisites, or exclusions, leaving the agent to infer usage.

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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