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list_datastores

List datastores in your vCenter environment with optional filters by name, folder, or datacenter.

Instructions

List datastores with optional filters.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
vcenter_nameNo
datastoresNo
namesNo
foldersNo
datacentersNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations are provided, and the description does not disclose any behavioral traits such as authentication requirements, rate limits, or side effects. It only states the basic functionality without adding transparency beyond that.

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 extremely concise at 5 words, front-loaded with the verb, and contains no unnecessary information. Every word earns its place.

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 description is minimal for a tool with 5 parameters and no parameter documentation. Although there is an output schema, the description does not help the agent understand the filtering capability or the purpose of each parameter.

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

Parameters2/5

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

Schema description coverage is 0%, but the description only mentions 'optional filters' without explaining any of the five parameters. The parameter names (e.g., vcenter_name, datastores) are not elaborated, leaving the agent without meaningful guidance.

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 'List datastores with optional filters.' clearly states the action ('List'), the resource ('datastores'), and the capability (filters). It distinguishes from sibling tools like get_datastore which retrieves a single datastore.

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 such as get_datastore or list_clusters. The description lacks any context about use cases or exclusions.

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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