Consume Product Purchase

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

No annotations are provided, so the description carries the full transparency burden. It clearly discloses the state change ('marks the product as consumed') and the user-facing effect, but omits details like irreversibility, permission requirements, failure modes, and response behavior. It is minimally adequate but not rich.

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?

Two short sentences with no filler. The core action and product scope are front-loaded, and the consequence is stated efficiently.

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?

This is a simple three-parameter mutation with full parameter documentation and an output schema. The description covers the essential semantics and effect, though it leaves alternative-tool differentiation to the agent.

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%, so the parameters are already fully documented in the input schema. The description adds no extra parameter-level meaning, so the baseline 3 applies.

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 opens with a specific verb, 'Consume', and a clear resource, 'in-app product purchase'. The parenthetical 'for consumable products' and the stated effect ('user can purchase it again') clearly distinguish this from sibling tools like acknowledge_product_purchase.

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?

The phrase 'for consumable products' provides a scope condition and the repurchase consequence implies when consumption is appropriate. However, it does not explicitly name alternatives such as acknowledge_product_purchase or state when consumption should NOT be used, leaving some routing to inference.

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