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erayendes

Heimdall App Store Connect MCP

build_beta_details__update

Idempotent

Update a build's beta testing details, such as enabling or disabling automatic notifications to testers.

Instructions

Update a build beta detail. [PATCH /v1/buildBetaDetails/{id}]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesResource identifier.
bodyYesJSON:API request body (Apple schema: BuildBetaDetailUpdateRequest).
Behavior3/5

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

Annotations already indicate idempotent and non-destructive mutation. The description adds the HTTP method but no further behavioral traits like permissions or side effects.

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?

Extremely concise: one sentence and endpoint path. Front-loaded but could include more useful information without becoming verbose.

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?

No output schema and the description omits return value details. For a tool with nested required parameters, more context would be helpful.

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 descriptions for both parameters. The description does not add any additional meaning beyond the schema.

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 action 'Update' and the resource 'build beta detail'. The tool name and siblings like 'build_beta_details__get' and 'build_beta_details__list' confirm it's a distinct update operation.

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 on when to use this tool versus alternatives. No context on prerequisites or exclusions.

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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