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App Store Connect MCP Server

App Store Connect MCP Server

by yunyang088
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

list_app_store_version_localizations

Fetch all localizations for an App Store version to view or manage localized app metadata. Specify the version ID and optional result limit.

Instructions

Get all localizations for a specific app store version

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": {
      "appStoreVersionId": "<appStoreVersionId>"
    },
    "name": "list_app_store_version_localizations"
  }
}

Input Schema

NameRequiredDescriptionDefault
limitNoMaximum number of localizations to return (default: 100)
appStoreVersionIdYesThe ID of the app store version

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.1.3

TDQS

B3.3/5.0
Behavior2/5

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

No annotations are provided, and the description only restates the tool's purpose without revealing behavior such as pagination, authentication requirements, or whether it returns empty results. The schema includes a limit parameter implying pagination, but this is not explained in the description.

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 conveys the tool's purpose without any extraneous words. It is well-structured and front-loaded.

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

Completeness3/5

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

For a simple list tool with full schema coverage, the description is minimally adequate. However, it lacks details about the return format, pagination behavior, and how it differs from other localization tools. Given the absence of an output schema, more context would be beneficial.

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 input schema already provides descriptions for both parameters (appStoreVersionId and limit) with 100% coverage. The description does not add any additional context beyond what the schema already provides, so a baseline score 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 it lists all localizations for a specific app store version using the verb 'Get' and the resource 'localizations'. It distinguishes itself from sibling tools like 'get_app_store_version_localization' (single) and 'create_app_store_version_localization' (create).

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

Usage Guidelines2/5

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

The description provides no guidance on when to use this tool versus alternatives (e.g., get_app_store_version_localization for a single localization). It lacks context on prerequisites or scenarios where this tool is appropriate.

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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