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guest_processes

Read-onlyIdempotent

Lists up to 200 processes running inside a Hyper-V guest VM, optionally filtered by process name, to support guest diagnostics and troubleshooting.

Instructions

List up to 200 guest processes, optionally filtered by process name. Requires ALLOW_GUEST and guest credentials.

Input Schema

NameRequiredDescriptionDefault
vm_nameYes
name_containsNo

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.2/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, and non-destructive. The description adds real behavioral context beyond them: a 200-result cap and the ALLOW_GUEST/credential requirement. It does not mention ordering or truncation behavior, but the annotations plus output schema cover most of the safety profile.

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?

Two short sentences with zero waste; the core action and limit are front-loaded, followed by the access requirement.

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?

With an output schema and read-only annotations available, the description supplies the important prerequisites, result cap, and filtering behavior. The only meaningful omission is the meaning of the required vm_name parameter.

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 coverage is 0%, so the description must compensate. It explains that name_contains acts as an optional substring filter, which is more than the schema's bare title, but vm_name is never described despite being required, leaving a key gap.

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?

States a specific verb and resource ('List ... guest processes') plus scope details (up to 200, optional name filter) that distinguish it from guest_services. An agent can tell what it does without opening the schema.

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

Usage Guidelines4/5

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

Names the prerequisite gate ('Requires ALLOW_GUEST and guest credentials') and describes the optional filtering condition. It does not point to alternatives or say when not to use it, so it stops short of full routing guidance.

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