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plgonzalezrx8

proxmox-mcp

pve_list_backups

List backup files stored on a Proxmox node's storage to identify available restore points.

Instructions

List backup content for a node storage.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nodeYes
storageYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.4/5.0
Behavior3/5

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

The verb 'List' signals a read-only operation, and there is no contradictory annotation. However, with no annotations the description carries the full burden and does not disclose additional behavioral traits such as permissions, pagination, or what 'content' includes.

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?

One short sentence with the action and resource front-loaded. No filler or redundant information.

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 two-parameter read-only listing tool with an output schema, the description is close to adequate, but it omits parameter semantics and usage guidance. It tells the agent what it does but not enough about how to call it correctly.

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 coverage is 0% and the description only paraphrases 'node storage' without explaining the individual 'node' and 'storage' parameters, their expected formats, or how they relate. This is not enough to compensate for the bare schema.

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 action ('List') and resource ('backup content') scoped to a node storage. This clearly distinguishes it from sibling list tools like pve_list_vms and pve_list_storage.

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?

Provides no guidance on when to use this tool versus alternatives, no prerequisites, and no exclusions. Usage is only implied by the name and the one-line description.

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