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vmware-storage

vmware-storage

by vmware-skills
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Python
Remote

get_iscsi_status

Read-onlyIdempotent

[READ] Get the software iSCSI adapter state and configured send targets for an ESXi host.

Instructions

[READ] Get the software iSCSI adapter state and configured send targets for an ESXi host.

Returns {host, enabled, hba_device, iqn, send_targets: [{address, port}]}; when the adapter is disabled, enabled=false with null device/IQN and an empty target list. Use this before enable_iscsi / add_iscsi_target / remove_iscsi_target to check prerequisites, and afterwards to verify the change took effect.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "host_name": "<host_name>"
    },
    "name": "get_iscsi_status"
  }
}

Input Schema

NameRequiredDescriptionDefault
targetNoOptional vCenter/ESXi target name from config.
host_nameYesESXi host name exactly as shown in vCenter inventory (FQDN or IP). Errors if not found. No host listing here — get names from vmware-monitor list_esxi_hosts.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv2.0.0

TDQS

A4.7/5.0
Behavior5/5

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

Annotations already cover the safety profile (readOnly, idempotent, non-destructive), but the description adds meaningful behavior beyond them: the exact return shape and the disabled-adapter edge case (enabled=false with null device/IQN and empty target list). This is real disclosure the annotations cannot carry.

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?

Three tight sentences, front-loaded with the action, then the return contract, then the routing guidance. No filler; every sentence earns its place.

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

Completeness5/5

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

With no output schema, the description compensates by specifying the return structure and the disabled-state behavior, and it points to the sibling tools for the follow-up actions. Nothing an agent needs to call this correctly is missing.

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 both parameters (target, host_name) are already documented, including the pointer to list_esxi_hosts for valid names. The description adds no parameter-level detail, so baseline 3 applies.

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?

Specific verb+resource: 'Get the software iSCSI adapter state and configured send targets for an ESXi host.' It clearly distinguishes itself from adjacent siblings such as list_fc_adapters (different adapter type) and the mutating enable_iscsi/add_iscsi_target tools.

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

Usage Guidelines5/5

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

Explicitly states when to use: before enable_iscsi / add_iscsi_target / remove_iscsi_target to check prerequisites, and afterwards to verify the change. Names the specific alternatives and the conditions that select them.

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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