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erayendes

Heimdall App Store Connect MCP

pre_release_versions__app__get

Read-onlyIdempotent

Retrieve the app details associated with a pre-release version using its resource identifier.

Instructions

Read the app for a pre release version. [GET /v1/preReleaseVersions/{id}/app]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesResource identifier.
Behavior2/5

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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false. The description adds no extra behavioral context beyond 'Read', so it provides minimal transparency enhancement.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence plus the endpoint, concise and front-loaded. No wasted words, though it may be slightly too brief.

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?

The tool lacks an output schema and the description does not explain what the response contains (e.g., the app resource fields). For a simple GET, additional context about error conditions or the relationship would improve completeness.

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% with the 'id' parameter described as 'Resource identifier.' The description does not add meaning beyond the schema, meeting the baseline for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states 'Read the app for a pre release version' with the endpoint path, clearly indicating the tool retrieves the app associated with a pre-release version. It is specific but could be more precise by explicitly naming the relationship.

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?

No guidance is provided on when to use this tool versus alternatives like 'apps__get' or 'pre_release_versions__get'. The description lacks contextual differentiation despite many sibling tools.

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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