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erayendes

Heimdall App Store Connect MCP

apps__pre_release_versions__list

Read-onlyIdempotent

List pre-release versions for an app by providing its identifier. Supports pagination with limit or next URL.

Instructions

List the pre release versions belonging to an app. [GET /v1/apps/{id}/preReleaseVersions]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesResource identifier.
limitNomaximum resources per page
next_urlNoAbsolute `links.next` URL from a previous response, to fetch the next page. When set, all other parameters are ignored.
Behavior3/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint. The description adds the HTTP method and path but no additional behavioral traits like pagination behavior or rate limits. It does not contradict 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?

A single sentence with the endpoint notation, highly concise and front-loaded with the core purpose. No unnecessary words.

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?

Without an output schema, the description does not explain the return format or pagination details. It is adequate for a simple list but could benefit from additional context about the response structure.

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%, so the description does not need to add detail. However, it provides no additional meaning beyond the schema for parameters like limit and next_url.

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 the verb 'List' and the resource 'pre release versions belonging to an app', which is explicit and differentiates from the sibling 'pre_release_versions__list' that likely lists all pre-release versions without app context.

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, such as the sibling 'pre_release_versions__list'. It does not mention prerequisites, exclusions, or context for using this specific endpoint.

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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