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erayendes

Heimdall App Store Connect MCP

apps__game_center_detail__get

Read-onlyIdempotent

Retrieve Game Center detail for a specific app, including leaderboards, achievements, and group configurations.

Instructions

Read the Game Center detail for an app. [GET /v1/apps/{id}/gameCenterDetail]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesResource identifier.
includeNocomma-separated list of relationships to include
Behavior3/5

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

Annotations already indicate readOnlyHint=true, idempotentHint=true, destructiveHint=false. The description adds the HTTP method (GET) and endpoint path, but does not disclose rate limits, authentication, or other behavioral nuances. Thus, it adds moderate value beyond 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 one concise sentence plus the endpoint, with no superfluous information. Every part earns its place.

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 tool with annotations and schema, the description is mostly complete. It could optionally describe the response shape, but no output schema exists. Overall, it provides sufficient context.

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 coverage is 100% with descriptions for both 'id' and 'include' parameters. The description does not add any extra parameter context, so baseline 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 'Read the Game Center detail for an app' with a specific verb (Read) and resource (Game Center detail), and includes the API endpoint. It is distinct from sibling tools.

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 description implies usage for reading Game Center detail but provides no explicit when-to-use or when-not-to-use guidance, nor alternatives. The readOnlyHint annotation reinforces its safe nature, but no additional context is given.

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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