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Bldg-7

Proxmox MCP Server

by Bldg-7

proxmox_ceph

Query a Ceph cluster on a specified node to retrieve health status, FSID, monitors, OSDs, and placement groups.

Instructions

Query Ceph cluster. action=status: get Ceph cluster health, FSID, monitors, OSDs, and placement groups

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nodeYesNode name
actionYes
Behavior2/5

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

No annotations are provided, so the description carries full burden. It indicates a read-only 'Query' operation but does not disclose any permission requirements, side effects, or constraints. The description only lists returned data without behavioral context.

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?

The description is a single sentence that efficiently conveys the core purpose and action. It is front-loaded with the main verb. While concise, it could be slightly more structured but remains effective.

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 tool's simplicity (2 params, no output schema), the description adequately covers the purpose and action outcome. It lacks usage nuances like node name examples or prerequisites, but is sufficiently complete for a status query.

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?

Schema description coverage is 50% (node described, action not). The description adds value by explaining the action parameter's effect and return values, compensating for the schema gap. However, the node parameter remains generic.

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 clearly states 'Query Ceph cluster', specifying the verb and resource. It further details what information the status action retrieves, distinguishing it from sibling tools that target specific Ceph components (e.g., proxmox_ceph_mon, proxmox_ceph_osd).

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 does not provide explicit guidance on when to use this tool versus alternatives. It lacks 'when-not' instructions or references to sibling tools for specific Ceph components, leaving the agent to infer usage from context.

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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