sitebay_account_create_checkout

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It mentions creating a checkout session but fails to detail critical aspects like authentication requirements, rate limits, error handling, or whether the session is immediately usable. This leaves significant gaps for an agent to understand operational behavior.

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 well-structured with clear sections for purpose, arguments, and returns, and it is front-loaded with the main action. It avoids unnecessary verbosity, though the 'Args' and 'Returns' labels could be more integrated for optimal flow.

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 the complexity of a billing tool with 3 parameters, no annotations, and an output schema (which covers return values), the description is moderately complete. It explains the purpose and parameters but misses behavioral context and usage guidelines, making it adequate but with clear gaps for effective agent use.

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 description includes an 'Args' section that lists parameters with brief explanations, adding meaning beyond the input schema (which has 0% description coverage). However, it lacks details on constraints (e.g., valid plan_name/interval values beyond examples), defaults, or the implications of optional team_id, leaving some semantic gaps.

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 the action ('Create a Stripe checkout session') and the resource ('for team billing'), making the purpose specific and understandable. However, it does not explicitly differentiate this tool from its siblings (e.g., other billing or account-related tools), which prevents a perfect score.

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 provides no guidance on when to use this tool versus alternatives, such as other billing methods or tools for managing teams. It lacks context on prerequisites, exclusions, or comparisons to sibling tools, offering only basic functional information.

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