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Parallels RAS MCP Server

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VDI Templates

ras_infra_get_vdi_templates
Read-onlyIdempotent

List VDI templates with their status and configuration to check base images, template versions, maintenance mode, or provisioning settings.

Instructions

List VDI templates, their status, and configuration. Templates define the base image and settings for provisioned VDI desktops. Use this to check template versions, maintenance mode, or provisioning settings.

Input Schema

NameRequiredDescriptionDefault
limitNoMax rows after filtering. Default 50, max 200. Prefer narrowing with `filter` over raising the limit.
fieldsNoTop-level keys to keep on each row. Unknown keys are dropped. Use this to shrink large responses to only the columns you need.
filterNoEquality filter on top-level fields (AND across keys). String values match case-insensitively.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed4 schema fields changedv1.3.0
    • addedInput schema / additionalProperties
      Added value: +false
    • addedInput schema / properties / fields
      Added value: +{
      +  "description": "Top-level keys to keep on each row. Unknown keys are dropped. Use this to shrink large responses to only the columns you need.",
      +  "items": {
      +    "type": "string"
      +  },
      +  "type": "array"
      +}
    • addedInput schema / properties / filter
      Added value: +{
      +  "additionalProperties": {
      +    "type": [
      +      "string",
      +      "number",
      +      "boolean"
      +    ]
      +  },
      +  "description": "Equality filter on top-level fields (AND across keys). String values match case-insensitively.",
      +  "type": "object"
      +}
    • addedInput schema / properties / limit
      Added value: +{
      +  "description": "Max rows after filtering. Default 50, max 200. Prefer narrowing with `filter` over raising the limit.",
      +  "maximum": 200,
      +  "minimum": 1,
      +  "type": "integer"
      +}
  2. First observedv1.0.0

TDQS

A3.5/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false and openWorldHint=true, so the safety profile is fully covered without the description. The description adds only domain framing (templates as base image definitions); it says nothing about result size, pagination behavior, or whether missing objects appear in the list.

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?

Three tight sentences, front-loaded with the action and resource, followed by a definition of templates and then usage contexts. No filler, though the second sentence is explanatory background rather than call-critical instruction.

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?

For a read-only, zero-required-parameter list tool with a fully described schema and no output schema, the description supplies purpose and use cases adequately. The remaining gap is guidance on narrowing results across a potentially large template list, which the schema hint alone covers.

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 are documented in the schema at 100% coverage, including limit bounds, the fields projection, and the filter equality semantics, so the schema carries the load. The description contributes no parameter guidance at all, which makes the baseline 3 appropriate given the nested filter object.

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?

States a specific verb (List) and resource (VDI templates) plus the payload contents (status, configuration), and explains what a template is ('base image and settings for provisioned VDI desktops'), which separates it from the nearby ras_infra_get_vdi_hostpools sibling. It stops short of explicitly contrasting itself with any named sibling, so it lands just under the top tier.

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

Usage Guidelines3/5

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

'Use this to check template versions, maintenance mode, or provisioning settings' gives concrete use contexts but no when-not conditions and never names an alternative tool. The agent can infer this is the read path for templates, but routing between it and the hostpool/desktop siblings is left to guesswork.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.