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Proxmox VE MCP Server

Proxmox VE MCP Server

by MTDEV2312
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

list_nodes

List all nodes in a Proxmox cluster to view their status and resource utilization. This helps monitor cluster health and capacity at a glance.

Instructions

List all nodes in the Proxmox cluster with status and resource utilization.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "list_nodes"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A3.8/5.0
Behavior3/5

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

With no annotations provided, the description carries the burden of disclosure. It states the output includes status and resource utilization, but does not mention any additional behaviors like ordering, pagination, or access requirements. It is a read-only listing, so the description is minimally adequate but not rich.

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?

A single, well-structured sentence that immediately states the action and scope. No wasted words.

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?

Given the simplicity (no params, no output schema), the description covers the essential behavior. It explains that it returns all nodes with status and utilization, which is sufficient for an agent to know what to expect. However, it could be improved by explicitly noting the return type as a list/array, though that is implied by 'List'.

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

Parameters4/5

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

The tool has zero parameters, so there is no parameter meaning to convey. The empty schema makes the description trivially adequate; no parameter information is needed.

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 uses the specific verb 'List' and the resource 'all nodes in the Proxmox cluster', making the operation unambiguous. It further specifies what information is returned (status and resource utilization), distinguishing it from sibling tools like node_status or list_vms.

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 provides no guidance on when to use this tool versus alternatives such as node_status, cluster_resources, or cluster_health. There is no explicit context or exclusions, leaving the agent to infer usage on its own.

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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