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masmedh

Parallels MCP Server

by masmedh

get_vm_info

Retrieve detailed information about a specific Parallels Desktop virtual machine using its name or UUID.

Instructions

Get detailed information about a specific virtual machine

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
vmYesVM name or UUID

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden. It implies a read ('Get') but does not state permissions, whether the call is side-effect free, or what scope of detail ('detailed') is actually returned.

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?

A single efficient sentence with no wasted words, front-loading the verb and resource. Appropriately sized for a one-parameter read tool.

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 simple single-param read tool with no output schema, the description is minimally adequate but adds nothing beyond the schema. It does not clarify the relationship to the several sibling VM-inspection tools.

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?

Schema description coverage is 100% and the single 'vm' parameter is documented as 'VM name or UUID', so the schema does the heavy lifting. The description adds nothing about accepted identifier formats beyond what the schema already says.

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?

Clear specific verb+resource: 'Get detailed information about a specific virtual machine'. However, it does not differentiate itself from the sibling get_vm_status, which an agent could easily confuse with a request for detailed VM info.

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 versus get_vm_status or list_vms, and no prerequisites or context is offered. The agent must infer the distinction from the name alone.

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