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devinwang

google-play-developer-mcp

by devinwang

reports_slow_rendering_rate_query

Query slow rendering rate timelines for your Android apps to identify performance issues and optimize user experience.

Instructions

Query slow-rendering-rate timeline.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dimensionsNo
metricsNo
timelineSpecNo
filterNo
userCohortNo
pageSizeNo
pageTokenNo
nameYes
Behavior2/5

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

No annotations are present, and the description does not disclose behavioral traits such as being read-only, requiring authentication, or rate limits. It carries the full burden but provides no details beyond 'query'.

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

Conciseness2/5

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

The description is a single sentence, which is concise but severely under-specifies the tool. It lacks structure and does not front-load critical information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, no annotations, 8 parameters, and many sibling tools, the description is extremely incomplete. It does not explain return values, parameter usage, or how it differs from similar tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 8 parameters with 0% per-parameter description coverage. The tool description does not explain any parameter, leaving the agent without guidance on how to populate dimensions, metrics, timelineSpec, etc.

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

Purpose3/5

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

The description 'Query slow-rendering-rate timeline' states a verb and resource, indicating what the tool does. However, it does not differentiate this tool from sibling query tools like reports_crash_rate_query or reports_anr_rate_query, reducing clarity.

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 reports_slow_rendering_rate_get or other period query tools. The description lacks context for appropriate usage.

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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