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

The description adds rich behavioral context beyond annotations: it respects the app's inspiration limit, leaves other brands untouched, is idempotent for already starred/unstarred creators, and explicitly avoids scraping, analysis, or saved-video changes. These details clarify side effects and non-effects for a mutation tool with destructive and idempotent annotations.

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 four tight sentences, front-loaded with the core action and followed by constraints, idempotency, and explicit non-effects. Every sentence earns its place with no filler.

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?

For a mutation tool with no output schema and rich annotations, the description is nearly complete: it covers scope, limit handling, idempotency, and avoided side effects. It could still clarify the brandId parameter or success/error behavior when the inspiration limit is reached.

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 0%, so the description must compensate. It adds meaning for 'starred' (star vs unstar), 'creatorId' (existing catalog creator), and 'brandId' implicitly (this brand), but it does not explain parameter names, formats, or the brandId argument directly.

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 a specific verb+resource: star/unstar an existing catalog creator as a brand inspiration. This clearly distinguishes the operation from generic creator updates or hide/unhide tools, though it does not explicitly name sibling alternatives.

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?

Usage is implied by 'as an inspiration for this brand,' and the limits/non-effects provide useful context. However, there is no explicit when-to-use guidance or comparison against alternatives such as list_catalog_creators, search_creators, or hide_creator.

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