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Heimdall App Store Connect MCP

by erayendes
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TypeScript

pre_release_versions__builds__list

Read-onlyIdempotent

Retrieve builds associated with a pre-release version using its ID. Specify fields and pagination to tailor the results.

Instructions

List the builds belonging to a pre release version. [GET /v1/preReleaseVersions/{id}/builds]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesID from the matching list call.
limitNomaximum resources per page
next_urlNoAbsolute links.next URL from a previous response.
fields_buildsNothe fields to include for returned resources of type builds Return only these attributes. A full row set can exceed 200 KB.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv2.0.1
    • addedInput schema / properties / id / description
      Added value: +"ID from the matching list call."
  2. Changed3 schema fields changedv2.0.0
    • addedInput schema / properties / fields_builds
      Added value: +{
+  "description": "the fields to include for returned resources of type builds Return only these attributes. A full row set can exceed 200 KB.",
+  "items": {
+    "enum": [
+      "version",
+      "uploadedDate",
+      "expirationDate",
+      "expired",
+      "minOsVersion",
+      "lsMinimumSystemVersion",
+      "computedMinMacOsVersion",
+      "computedMinVisionOsVersion",
+      "iconAssetToken",
+      "processingState",
+      "buildAudienceType",
+      "usesNonExemptEncryption",
+      "preReleaseVersion",
+      "individualTesters",
+      "betaGroups",
+      "betaBuildLocalizations",
+      "appEncryptionDeclaration",
+      "betaAppReviewSubmission",
+      "app",
+      "buildBetaDetail",
+      "appStoreVersion",
+      "icons",
+      "buildBundles",
+      "buildUpload",
+      "perfPowerMetrics",
+      "diagnosticSignatures"
+    ],
+    "type": "string"
+  },
+  "type": "array"
+}
    • removedInput schema / properties / id / description
      Removed value: -"Resource identifier."
    • changedInput schema / properties / next_url / description
      Previous value: -"Absolute `links.next` URL from a previous response, to fetch the next page. When set, all other parameters are ignored."New value: +"Absolute links.next URL from a previous response."
  3. First observedv1.3.0

TDQS

A3.9/5.0
Behavior3/5

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

Annotations already declare this as read-only, idempotent, and non-destructive. The description adds the endpoint URL but no additional behavioral context such as pagination behavior or response shape. However, given the strong annotation coverage, the description satisfies the requirement without adding much beyond the 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 a single sentence with the endpoint, front-loading the action and resource. It contains no unnecessary words or repetition.

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

Completeness5/5

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

For a straightforward list endpoint with four well-documented parameters and clear annotations, the description sufficiently conveys purpose. No output schema is needed as the endpoint returns a list of builds, which is evident from the description and endpoint path.

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?

All four parameters have schema descriptions (100% coverage), so the description need not add parameter details. The baseline of 3 applies because the schema already documents id, limit, next_url, and fields_builds clearly.

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 uses a specific verb 'List' and identifies the resource as 'builds belonging to a pre release version', which clearly distinguishes it from sibling tools like 'pre_release_versions__list' or 'builds__list'. The resource relationship is explicit.

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 provides no explicit guidance on when to use this tool over alternatives, such as 'use this instead of builds__list when you need builds for a specific pre-release version'. The usage is implied by the resource relationship but not stated.

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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