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sachdev27

OpManager MCP Server

by sachdev27

listVirtualDevices

Retrieve a list of virtual devices by type (VM, VHOST, etc.) from OpManager for IT operations management.

Instructions

listVirtualDevices

Category: Manage and query network devices

Key parameters:

  • virtualDeviceType*: Type of virtual entity which you want to list. (Allowed valu

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
hostYesOpManager host address (e.g., 'opmanager.example.com' or 'opmanager.example.com:8061'). Default port is 8061 (HTTPS).
apiKeyYesOpManager API key for authentication
virtualDeviceTypeYesType of virtual entity which you want to list. (Allowed values: VHOST, VDATASTORE, VM, VCENTER, HyperV-Host, HyperV-VM, HyperV-Disk, Xen-Host, Xen-VM, Xen-SR, Xen-Pool, Nutanix-Cluster, Nutanix-Host, Nutanix-VM)
Behavior2/5

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

No annotations are present, and the description does not disclose any behavioral traits (e.g., read-only, authentication requirements beyond schema, pagination, or error handling). The description carries the full burden but provides minimal information.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very short but incomplete, ending mid-sentence. It includes category and one parameter but lacks a proper opening statement. It is not well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema and no annotations, the description must explain what the tool returns. It does not. The tool has 3 required parameters, but the description fails to provide a complete picture of its functionality. It is severely lacking.

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%, so each parameter has a description. The tool description repeats the parameter name and allowed values but adds no new meaning beyond the schema. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose2/5

Does the description clearly state what the tool does and how it differs from similar tools?

The tool name 'listVirtualDevices' suggests listing virtual devices, but the description is truncated and does not explicitly state that it returns a list of virtual devices of a given type. The category 'Manage and query network devices' is vague. Sibling tools like getVMWareVMs and getVMWareHosts overlap, so clarity is lacking.

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 is provided on when to use this tool versus alternatives such as getVMWareVMs or listDevices. There is no mention of prerequisites or exclusions.

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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