Deeplink to Down Payment Invoice

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so the safety profile is clear. The description adds that the tool provides a 'direct link to view/edit,' which aligns with annotations. However, it does not disclose additional behavioral traits such as the output format (e.g., URL string) or any side effects like authentication requirements. With annotations covering key aspects, this is adequate but not enriched.

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 of 14 words that directly states purpose. It is front-loaded with key action ('Get a direct link') and resource, with no extraneous information. Every word earns its place, achieving maximum efficiency.

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 tool's simplicity (single-parameter, no output schema, good annotations), the description is minimally adequate. It identifies what the tool does but does not describe the return value (e.g., type of link, format). For completeness, the agent would benefit from knowing the output is a string URL or the link structure. However, the annotations and schema cover input and safety, so this gap is moderate.

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% for the single parameter 'id' with description 'Down payment invoice UUID.' The tool description adds no extra meaning beyond what the schema provides. According to guidelines, when schema coverage is high, baseline is 3, and the description does not compensate further.

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 clearly states the verb 'Get a direct link' and identifies the specific resource ('down payment invoice') and the intended action ('view/edit'). It effectively distinguishes this tool from sibling tools like lexware_get_down_payment_invoice (which retrieves data) and lexware_download_down_payment_invoice_file (which downloads a file). The purpose is explicit and unambiguous.

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 description does not provide explicit guidance on when to use this tool versus alternatives. While the purpose implies use for obtaining a link to the web UI, there is no mention of prerequisites, context, or exclusions (e.g., when to use lexware_get_down_payment_invoice instead). The agent must infer usage from the name and purpose, which is sufficient but not explicit.

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