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

The annotations already declare readOnlyHint=true and destructiveHint=false, and the description reinforces this with 'Read-only' and 'without changing anything.' It adds extra behavioral context by mentioning that the tool 'can include previews or full content,' which goes beyond the annotations. Overall, the behavior is transparent and consistent.

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 a single concise sentence that immediately states the usage condition and then summarizes the core functionality. There is no redundant or extraneous wording. The structure is effective, front-loading the most important guidance.

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?

Given that there is no output schema, the description provides a reasonable hint about the response by mentioning 'previews or full content.' It does not detail pagination or ordering, but those are implied by the parameters. For a simple list tool, this is adequately complete in context with the sibling tools.

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 coverage is 100% with all five parameters described, so the baseline is 3. The description does not add any extra parameter-level detail beyond what the schema already provides. Each parameter's purpose and default are clear from the schema, but no additional semantic depth is given.

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 clearly states that the tool lists visible personal and team generations, with an explicit verb ('list') and resource ('generations'). It also differentiates from siblings like get-generation and list-generators by specifying when to use it: to find generated outputs, generation history, previous results, archived items, or IDs for later actions. This makes the purpose unambiguous and distinct.

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?

The description gives explicit conditions for use ('when the user asks to find generated outputs, generation history, previous results, archived items, or IDs for later generation actions'). It also notes the read-only nature. However, it does not explicitly state when not to use it (e.g., when a single generation is needed, use get-generation), leaving some inference to the agent. Still, the guidance is strong.

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