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erayendes

Heimdall App Store Connect MCP

by erayendes
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TypeScript

pre_release_versions__get

Read-onlyIdempotent

Fetch details of a specific pre-release version by ID, optionally including related builds or app data to avoid extra API calls.

Instructions

Read one pre release version by ID. [GET /v1/preReleaseVersions/{id}]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesID from the matching list call.
includeNocomma-separated list of relationships to include Pull related records in the same call. Without it, checking a relationship costs one extra call per row returned.
fields_preReleaseVersionsNothe fields to include for returned resources of type preReleaseVersions 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_preReleaseVersions
      Added value: +{
+  "description": "the fields to include for returned resources of type preReleaseVersions Return only these attributes. A full row set can exceed 200 KB.",
+  "items": {
+    "enum": [
+      "version",
+      "platform",
+      "builds",
+      "app"
+    ],
+    "type": "string"
+  },
+  "type": "array"
+}
    • removedInput schema / properties / id / description
      Removed value: -"Resource identifier."
    • changedInput schema / properties / include / description
      Previous value: -"comma-separated list of relationships to include"New value: +"comma-separated list of relationships to include Pull related records in the same call. Without it, checking a relationship costs one extra call per row returned."
  3. First observedv1.3.0

TDQS

A3.6/5.0
Behavior3/5

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

The annotations already declare readOnlyHint, idempotentHint, and destructiveHint false, so the description's 'Read' is consistent but adds no extra behavioral context beyond those annotations. It does not describe return format, relationship inclusion, or other behaviors, leaving the annotations to cover the safety profile.

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, front-loaded with the verb 'Read,' and closes with the endpoint path. It is concise with no wasted words, making it easy to parse.

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 get-by-ID tool, the description adequately states the action and resource. The schema covers parameters and annotations cover behavior, so the lack of an output schema note is acceptable, though mentioning that `include` and `fields` control response content would improve completeness slightly.

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%, with all three parameters (`id`, `include`, `fields_preReleaseVersions`) having detailed descriptions. The tool description itself adds no parameter information, but since the schema fully documents them, the baseline score of 3 applies.

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 the specific verb 'Read' and identifies the resource 'pre release version' with scope 'by ID,' which clearly distinguishes it from sibling tools like pre_release_versions__list and pre_release_versions__builds__list. The endpoint path reinforces the action.

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 after a list call or when related records are needed. It lacks context, exclusions, or mention of the matching list call, which is only referenced in the schema for the 'id' parameter.

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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