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ncloud-gov-mcp-server

ncloud-gov-mcp-server

by sjk4425
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

ncloud_cdss_list_nodes

Read-only

Lists all broker and manager nodes in a CDSS cluster using its instance number.

Instructions

List all nodes (broker, manager) in a CDSS cluster

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": {
      "serviceGroupInstanceNo": "<serviceGroupInstanceNo>"
    },
    "name": "ncloud_cdss_list_nodes"
  }
}

Input Schema

NameRequiredDescriptionDefault
serviceGroupInstanceNoYesCluster instance number

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

A4/5.0
Behavior3/5

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

The readOnlyHint annotation already covers the read-only nature. The description adds node type context but does not disclose additional behavioral traits like return format or pagination, which are not covered by annotations.

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?

The description is a single, concise sentence that immediately conveys the operation. No unnecessary words or redundancy.

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?

For a simple read-only list operation with one parameter and clear annotations, the description is sufficient. It does not describe the response structure, but that is acceptable given the absence of an output schema and the simple nature of the operation.

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?

The schema provides a description for serviceGroupInstanceNo ('Cluster instance number'), and the tool description does not add further parameter-specific meaning. With 100% schema coverage, the baseline of 3 is appropriate.

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 the action (List), the resource (nodes), and the scope (CDSS cluster), and specifies node types (broker, manager). This distinguishes it from sibling tools like list_clusters and get_cluster_detail.

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

Usage Guidelines4/5

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

The description provides clear context: it lists nodes in a CDSS cluster, and the required parameter (serviceGroupInstanceNo) indicates the cluster. It does not explicitly compare against alternatives or state exclusions, but the usage context is direct.

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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