play_check_status

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. 'Verify' implies a non-destructive check, but the description doesn't explicitly state that no modifications occur, nor does it describe what the tool returns (e.g., success/failure indicators, diagnostics). The lack of any side-effect or result details is a gap.

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

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

The description is a single sentence with no filler. It front-loads the action verb ('Verify') and lists the three items being checked. Efficient and well-structured.

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

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

Given the lack of an output schema and annotations, the description should convey expected return values and operational details. It doesn't specify what 'environment readiness' means or what the tool outputs upon success/failure. For a status-check tool, this is incomplete—the agent doesn't know how to interpret the result.

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

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

Schema description coverage is 100% — both parameters (package_name and credentials_path) have descriptive text. The description adds no additional meaning beyond the schema, which is the baseline for high coverage. Since parameters are optional and clearly explained, a 3 is appropriate.

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

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

The description states a clear action ('Verify') and specific resources (Google Play API dependencies, GCP Service Account credentials, environment readiness). This differentiates it from sibling tools that retrieve data or list items; it's a status check. Not a tautology, though it could be more explicit about what 'verify' entails.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

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 the siblings. It doesn't mention that it's a preliminary check before other operations, nor does it list any exclusions or alternatives. The usage context is entirely implicit.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.