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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, and openWorldHint=false, covering the safety profile. The description adds the prerequisite role and content categories but does not disclose caching, rate limits, authentication, or return format specifics. With annotations carrying the behavioral burden, a 3 is appropriate.

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?

Single front-loaded sentence that begins with the agent-facing purpose and then lists payload categories without filler. Every clause earns its place and no information is repeated.

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?

The tool is a no-parameter, read-only catalog with no output schema. The description enumerates the full set of data categories the agent can expect before calling create_design_link, and annotations cover safety. Nothing material is missing for correct invocation.

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?

The tool has zero parameters and the input schema is empty. Per the rubric, 0 params sets a baseline of 4. The description adds no parameter details because there are none to describe.

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?

Names the resource (design options) and enumerates the exact payload (fonts with style hints, text size range, background presets, photo shapes, clipart ids, templates with text slots, print-area geometry/limits), and explicitly scopes it as a prerequisite to create_design_link. This clearly distinguishes it from all siblings.

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?

States explicit context ('before create_design_link'), which tells the agent exactly when to call it. It does not mention when not to use it or alternative tools, but for a zero-parameter read-only catalog this is clear enough.

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