get_qr

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

Annotations already declare readOnlyHint=true, destructiveHint=false and openWorldHint=true, so the safety profile is covered. The description adds nothing about behavior beyond that: no mention of whether it returns a binary image vs a URL, whether the QR is persisted, or any permission requirements.

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?

Highly compact and front-loaded — action first, then parameter hints. The telegraphic style ('optional color, logo, print') is efficient but slightly clipped, bordering on note-form rather than a sentence.

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?

With five parameters at 0% schema coverage and no output schema, the description should do more. It never explains the required id, the color value format, what logo/print actually toggle, or what the response looks like (image bytes? URL?), leaving real gaps for a download tool.

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 coverage is 0%, so the description must carry parameter meaning, and it does partially: it gives format values (png|svg) and names the optional color, logo, and print flags. However, the required 'id' parameter is never explained, color format (hex? name?) is unspecified, and the semantics of the boolean logo/print flags are not described.

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 verb and resource: 'Download a QR code for a link.' An agent can immediately tell this is a QR-generation/retrieval tool, distinct from sibling link-management tools. No sibling does anything similar, though the description doesn't say that explicitly.

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 when-to-use guidance, no prerequisites, no mention of alternatives. Usage is only implied by the phrase 'for a link' and the id parameter. An agent must infer that this is called when a user wants a QR image for an existing link.

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