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erayendes

Heimdall App Store Connect MCP

app_availabilities_v2__get

Read-onlyIdempotent

Retrieve app availability (v2) for a specific resource ID, optionally including territory availabilities.

Instructions

Read one app availabilities (v2) by ID. [GET /v2/appAvailabilities/{id}]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesResource identifier.
includeNocomma-separated list of relationships to include
Behavior2/5

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

Annotations already provide readOnlyHint, idempotentHint, destructiveHint. Description adds only HTTP method/endpoint, which is redundant. No additional behavioral context beyond 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?

Two sentences, front-loaded with action, no wasted text. Appropriate for a simple get operation.

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?

Given its simplicity and good annotations, the description is adequate. Could mention that it returns app availability details, but not critical since no output schema.

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%, parameters are well-described in the schema. Description adds no additional meaning beyond what schema provides. Baseline score of 3.

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?

Description clearly states it reads one app availability by ID, with HTTP method and endpoint. Distinguishes from sibling tools (e.g., create, list).

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?

Implied usage when you have an ID, but no explicit guidance on when to use vs alternatives (e.g., list, create). Among many siblings, no exclusions provided.

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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