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app-store-connect-mcp

app-store-connect-mcp

by devinwang
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

app_events_localizations_get_to_many_relationship

Retrieves the localizations linked to an App Store app event by its ID, so you can inspect and manage event metadata across locales.

Instructions

GET /v1/appEvents/{id}/relationships/localizations (GET /v1/appEvents/{id}/relationships/localizations)

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": "app_events_localizations_get_to_many_relationship"
  }
}

Input Schema

NameRequiredDescriptionDefault
idYesthe id of the requested resource
limitNomaximum resources per page

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.5.0

TDQS

C2.2/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden, yet it discloses nothing about pagination behavior, the shape of returned relationship linkage data, or that this only returns identifiers rather than full resources. The 'GET' verb implies read-only, but that is the only inferable trait.

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?

The single line is short but not concise in a useful sense: the route is duplicated verbatim inside parentheses, which is pure redundancy. Nothing is front-loaded because there is no informational content to order.

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?

With no output schema and no annotations, the description should explain the relationship semantics (that it returns localization identifiers linked to an appEvent) and any pagination contract. It provides none of this, leaving the agent without enough context to call it confidently beyond the route itself.

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%, so both 'id' and 'limit' are already documented in the schema. The description adds no parameter semantics at all, but the baseline of 3 applies when the schema fully documents the parameters.

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 a literal restatement of the tool name as a URL path: 'GET /v1/appEvents/{id}/relationships/localizations'. It conveys no verb beyond the HTTP method and no scope beyond what the name already encodes, so it functions as a tautology rather than an explanation of purpose.

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?

There is no when-to-use guidance, no mention of prerequisites (e.g. needing an appEvent id from an existing app event), and no differentiation from the many sibling relationship endpoints such as app_events_localizations_get_to_many_related. The agent must infer everything from the name.

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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