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

Annotations already carry the full safety profile (readOnly, idempotent, non-destructive, closed-world), so the description only needs to add behavioural colour. 'The same rules the product page's guide card uses' is a useful consistency guarantee, but much of the rest re-enumerates fields rather than explaining behaviour (e.g. what happens when configuration is omitted, whether results vary by market or time).

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?

It is front-loaded with the scope ('What a print-ready file must be for a product and configuration') and has no filler prose, but the ten-item field inventory is a long tail that duplicates what the output schema already declares. The trailing fragment is fine, yet as a whole the sentence is denser than it needs to be for the value delivered.

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?

An output schema exists and the annotations cover safety, so the definition only needs to establish scope and inputs; it does establish scope unambiguously. The remaining gap is purely the missing routing guidance versus check_artwork/get_artwork_guide, not any missing information about what calling the tool does.

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?

At 50% schema description coverage the description needs to compensate, and it partly does: mentioning 'pages or sides', 'the spot plate names a spot finish needs', and 'accepted file types' signals that configuration options such as pages, sides and finishing ids materially change the output. It does not clarify product_id's source or that configuration may be supplied partially/omitted — the schema's nested description carries that instead.

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 precisely what the tool returns: a spec sheet covering finished size, bleed, safe zone, PDF page size, pages/sides, spot plate names, cut rule, resolution, file types and size limit, scoped to a product + configuration. That is far more specific than the title alone. It loses a point because it never names or contrasts with the close siblings get_artwork_guide and check_artwork, so an agent must infer which of the three to call.

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?

There is no when-to-use or when-not-to-use guidance, and no mention of check_artwork (validate an existing file) or get_artwork_guide despite both appearing in the sibling list. The only contextual hook is 'the same rules the product page's guide card uses', which describes provenance rather than the condition for calling this tool.

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