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get_dataset_info

Retrieve file count, size, and availability of a SAM dataset definition using its name and optional location.

Instructions

Get information about a specific SAM dataset definition.

    Args:
        defname: SAM definition name (e.g., 'ensembleMDS3c')
        location: File location ('disk', 'tape', 'scratch', 'nersc')
        
    Returns:
        Dictionary with dataset information: file count, size, availability
    

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
defnameYes
locationNodisk

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

No annotations provided. Description mentions return fields (file count, size, availability) but does not disclose if the operation is read-only, requires authentication, or has any side effects. Adequate but minimal.

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?

Description is concise, structured with Args and Returns sections, and front-loaded with purpose. No extraneous text.

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?

Output schema exists (not shown but indicated), so description doesn't need to detail return format. However, usage guidelines are missing, and parameter semantics could be slightly richer. Overall fairly complete for a simple info tool.

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 description coverage is 0%, but description adds examples for defname and lists allowed values for location (disk, tape, scratch, nersc), which adds meaning. However, it doesn't mention the default value for location.

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?

Description clearly states 'Get information about a specific SAM dataset definition' with specific verb and resource. It provides example parameter values and distinguishes from sibling tools like list_available_datasets.

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 on when to use this tool versus siblings. For instance, it doesn't contrast with 'list_available_datasets' or suggest scenarios for querying a specific definition.

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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