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rsp2k
by rsp2k

iso_create_iso

Create a new ISO image from a provided URL, adding custom operating system images to your Vultr account for deployment.

Instructions

Create a new ISO image from URL.

Args: url: The URL to create the ISO from

Returns: Created ISO details

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
urlYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.0.1

TDQS

B3.2/5.0
Behavior2/5

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

With no annotations provided, the description must carry the behavioral burden, but it only states that creation happens and returns details. It does not disclose whether the operation is asynchronous, how long URL downloading may take, whether a resource is stored as a custom ISO, or any authorization/quotas involved.

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 compact and front-loaded: the main capability, the single arg, and the return value are each separated into clear short sections. There is no redundant or filler prose.

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 one-parameter create tool with an existing output schema, the description is minimally sufficient, but it leaves important context unspecified: the exact nature of the URL and operational expectations. It also does not connect to related ISO workflows such as listing or retrieving custom ISOs.

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%, so the one parameter's semantics must be compensated by the prose, but 'The URL to create the ISO from' adds little beyond the parameter name 'url'. It does not specify expected URL schemes, whether the URL must point directly to an ISO file, or size/accessibility constraints.

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 opening sentence uses a specific verb ('Create') and resource ('ISO image'), and adds the source mechanism ('from URL'). This separates it from the read/list/delete ISO siblings in the tool list, and although snapshot_create_from_url has a similar source, the resource is explicitly different.

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?

The description gives no indication of when to choose this over alternatives such as iso_list_public_isos, iso_list_custom_isos, or snapshot_create_from_url, and no prerequisites (e.g., must the URL be a direct ISO download) are mentioned. Usage is only implied by the verb and tool name.

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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