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

The description adds useful behavioral context beyond the annotations: synchronous execution, 'task support: forbidden,' and the fact that return data is internal application state. It also provides response-handling directives (avoid raw JSON, prefer concise language) that help the agent behave correctly after invoking the tool. No contradictions with 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 relatively compact and front-loaded with 'get creative,' followed by a tight list of execution traits and response rules. Some redundancy exists (e.g., 'Classification: read-only' duplicates annotations), but the overall length is reasonable and the most actionable instructions are included.

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?

Although an output schema exists, the description is incomplete for invocation because it never explains how to use the 11 input parameters or what the tool actually does beyond 'get creative.' Annotations cover safety properties, but the agent lacks enough context to confidently select parameters or understand the tool's role.

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?

With 0% schema description coverage, the description must explain parameters, but it does not mention a single one. The required creativeId is not described, and the 10 optional identifiers remain opaque strings with no guidance on their meaning or selection.

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 opens with 'get creative,' which merely restates the tool name and title without defining what a 'creative' is or what the retrieval operation returns. It adds that the returned JSON is 'internal application state,' but this does not clarify the core purpose relative to sibling get_* tools like get_asset or get_flight.

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 explicit guidance on when to use this tool versus alternatives. The instruction to 'Use assistantSummary first' is about response composition, not tool selection, and 'Task support: forbidden' is a vague constraint without suggesting when the tool should or should not be invoked.

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