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app-store-connect-mcp

app-store-connect-mcp

by devinwang
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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apps_game_center_detail_get_to_one_relationship

Retrieve the Game Center detail relationship for a specific app ID to manage Game Center features in App Store Connect.

Instructions

GET /v1/apps/{id}/relationships/gameCenterDetail (GET /v1/apps/{id}/relationships/gameCenterDetail)

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": {
      "id": "<id>"
    },
    "name": "apps_game_center_detail_get_to_one_relationship"
  }
}

Input Schema

NameRequiredDescriptionDefault
idYesthe id of the requested resource

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.5.0

TDQS

D1.7/5.0
Behavior1/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure, and it discloses nothing. 'GET' loosely implies a read, but there is no statement about what the relationship returns, whether it can be empty, pagination, permissions, or error behavior.

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?

It is short, but the parenthetical duplication of the identical path is pure waste and the whole string is a single unparsed URL. Brevity here comes from under-specification rather than efficient phrasing.

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?

For a relationship-fetch tool with no annotations and no output schema, the description must at least say what resource is being linked and what the response represents. It says none of that, leaving an agent with only a URL template.

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% — the single 'id' parameter is fully documented as 'the id of the requested resource'. Per the high-coverage baseline this scores 3 even though the description adds no parameter meaning, since the schema already does that work.

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 description is only the raw HTTP path repeated twice, so it technically names a verb (GET) and a resource, but conveys no semantic purpose — nothing explains what a 'gameCenterDetail relationship' actually is or returns. It is a restatement of the endpoint rather than a description, which is the definition of tautology.

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

Usage Guidelines1/5

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

There is no when-to-use guidance at all. The sibling set contains near-identical entries such as apps_game_center_detail_get_to_one_related and game_center_groups_game_center_details_get_to_many_related, and the description does nothing to indicate when this relationship endpoint should be chosen over 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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