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google-play-developer-mcp

by devinwang

tracks_get

Fetch details and all staged releases for a specified track in a Google Play app edit.

Instructions

Get one track — includes all releases currently staged.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
packageNameYesAndroid application package name, e.g. com.example.app
editIdYesEdit id returned by `edits_insert` — required for all edits.* writes
trackYesTrack name: internal, alpha, beta, production — or a custom closed-testing track id
Behavior2/5

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

With no annotations, the description must disclose behavioral traits. It implies a read operation but does not explicitly state it is non-destructive or safe. The requirement for editId (typically for writes) is not explained, potentially confusing agents.

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, front-loaded sentence with no unnecessary words. It efficiently conveys the core purpose without redundancy.

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?

Given no output schema and no annotations, the description is insufficient. It fails to explain what the returned data looks like, why editId is needed for a GET, and how 'staged' releases are represented. This leaves significant information gaps for the agent.

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 clear descriptions for all three required parameters. The tool description adds no extra context beyond the schema, so a baseline score of 3 is appropriate as per guidelines.

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 verb 'Get' and resource 'one track', and specifies that it includes all staged releases. This distinguishes it from sibling tools like tracks_list, which would list tracks without release details.

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 such as tracks_list, tracks_create, or tracks_update. The agent must infer usage from context, which may lead to incorrect tool selection.

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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