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

Annotations already declare readOnly, idempotent, non-destructive, and closed-world, so the safety profile is covered. The description adds information annotations cannot convey: no charge and workspace authentication required, plus the reassurance that the read never mutates saved presets. Minor gap: nothing about result ordering or version selection.

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?

Purpose is front-loaded in the first sentence, followed by reset guidance, then workflow routing, then cost and auth in short clauses. Every sentence carries distinct actionable content with no repetition.

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?

Output schema exists, so return-shape explanation is unnecessary, and the description still flags the key field (defaultDesign) and its meaning. Auth and cost requirements, which no schema or annotation covers, are both stated, making the definition self-sufficient for a no-param read.

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?

Zero-parameter tool, so the baseline is 4; there are no inputs to misinterpret. The description correctly implies the call is unfiltered and lists what the output contains, which is the only parameter-like semantic available.

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?

Specific verb (List) plus a precise resource (reusable workspace cover-sheet designs and versions) with an explicit extra return field (defaultDesign). It distinguishes itself from the neighboring render_cover_sheet and save_cover_sheet by naming them and their roles.

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?

Gives concrete routing: use defaultDesign to reset a local draft, render to preview before saving, and call save_cover_sheet only when the user wants persistence. It stops short of stating when this tool is unnecessary (e.g., if the caller already holds a design), so it is clear context rather than full when/when-not coverage.

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