vibemk_create_timeperiod

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

There are no annotations, and the description discloses no behavioral traits beyond the basic creation action. It does not mention side effects, such as whether it overwrites existing time periods with the same name, whether it is idempotent, or what happens on failure. This lack of transparency could lead to unexpected behavior for the agent.

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 extremely concise, using only a short phrase with an emoji prefix. It has no redundant or extraneous information, and every word contributes to conveying the tool's purpose. The structure is clean and straightforward.

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 simple create operation, and the schema covers all parameters. However, the description lacks important context such as required fields (though schema marks two as required), potential uniqueness constraints on the name, or what the tool returns upon success. This is not a complex tool, but the absence of these details leaves some gaps for an agent.

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 schema provides descriptions for all five parameters (name, alias, exclude, exceptions, active_time_ranges), achieving 100% coverage. According to the rubric, this sets a baseline of 3. The tool description itself adds no additional meaning or context to the parameters, so the score remains at the baseline.

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 tool's purpose: to create a new time period. It uses the verb 'Create' and specifies the resource 'time period'. This distinguishes it from sibling tools like update_timeperiod and delete_timeperiod, though it doesn't explicitly name them, the action is unambiguous.

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 explicit guidance on when to use this tool versus alternatives. While the sibling list includes update and delete operations, the description itself does not mention that this is for creating new time periods only, nor does it contrast with existing time period modification tools. Users must infer usage from the name.

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