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

No annotations are provided, so the description carries the behavioral disclosure burden. It clearly discloses a key trait: the tool only builds a link and does not submit the order; the user submits it themselves. It could add more detail about return value or validation, but the most important side-effect boundary is explicitly stated.

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 function is front-loaded, and the usage guideline follows immediately. Every sentence contributes information that is not already available from the name or schema.

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?

For a low-complexity tool with no output schema and no annotations, the description covers the purpose, the usage condition, the key non-submission behavior, and all four parameter meanings. The exact return type and potential error behavior are left implicit, but this is a minor gap for a link-builder.

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 0%, so the description compensates by mapping natural-language concepts to parameters: '蛋糕' to cakeSlug, '尺寸' to variantId, '日期' to date, and '時段' to slotId. It does not discuss optionality or formats, but the schema provides the patterns, making the description a meaningful semantic bridge.

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?

States a specific action (generating a link) on a specific resource (the website order page) and explicitly lists the carried data: cake, size, date, and time slot. It also differentiates itself from placing an order by noting that the user presses submit, which distinguishes it from the sibling place_order.

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?

Provides an explicit usage condition: use this when unsure whether to place the order on the user's behalf. It implies the alternative is place_order, but it does not explicitly name alternative tools or state a clear 'when not to use' rule beyond that uncertainty.

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