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ncloud-gov-mcp-server

ncloud-gov-mcp-server

by sjk4425
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

ncloud_initiate_multipart_upload

Initiate a multipart upload in Object Storage to split large objects into parts, enabling reliable transfer of big files.

Instructions

Initiate a multipart upload for a large object in Object Storage

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": {
      "bucketName": "<bucketName>",
      "key": "<key>"
    },
    "name": "ncloud_initiate_multipart_upload"
  }
}

Input Schema

NameRequiredDescriptionDefault
keyYesObject key (path) for the multipart upload
bucketNameYesName of the bucket
contentTypeNoContent-Type for the object

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

B3.4/5.0
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure. It does not mention that this is the first step of a multi-step process requiring subsequent upload_part and complete_multipart_upload calls, nor does it state that an upload ID is returned and must be managed. The description is too sparse to inform the agent about side effects or statefulness.

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 sentence that is front-loaded and free of filler. It states the essential purpose without redundancy. No unnecessary words or details.

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

Completeness2/5

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

The description is too brief for a complex multipart upload operation. It lacks critical context about the multipart workflow, such as the need to call upload_part and complete_multipart_upload after initiation, the requirement to abort if not completed, and the absence of an output schema means the return value is not explained. The agent would not know how to proceed after calling this tool.

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%, with each parameter (key, bucketName, contentType) having a clear description. The tool description itself adds no extra parameter meaning beyond the schema, so the baseline of 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?

The description clearly identifies the action ('Initiate a multipart upload') and the resource ('a large object in Object Storage'), with a specific verb and scope. It distinguishes from sibling tools like ncloud_upload_part, ncloud_complete_multipart_upload, and ncloud_abort_multipart_upload, as 'initiate' is uniquely the starting step.

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

Usage Guidelines3/5

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

The phrase 'for a large object' implies a use case, but there is no explicit guidance on when to use this versus alternatives like ncloud_put_object for small objects or ncloud_upload_part for subsequent steps. No exclusions or workflow context is provided, so the usage context is only implied.

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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