sleep_calc

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

With no annotations provided, the description carries the full burden of disclosing behavioral traits. It mentions default cycles and range but does not explain how the tool calculates the schedule, what happens if both bedtime and wake_time are provided, or how invalid times are handled. The behavioral transparency is minimal.

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 brief and front-loaded with the main purpose. The parameter list is integrated but not verbose. Every sentence provides information, though the structure could be slightly more organized (e.g., separating the purpose from parameter details).

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 tool's moderate complexity, the description is adequate but incomplete. It does not mention edge cases (e.g., both parameters provided) or the output format (though output schema exists). The lack of explanation about the time format and validation limits completeness.

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 add meaning. It explains each parameter: bedtime defaults to calculating from wake time, wake_time defaults from bedtime, and cycles has a default and range. This adds significant context beyond the schema types and titles.

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 function: 'Calculate optimal sleep schedule based on sleep cycles (90 min each)'. It uses a specific verb ('Calculate') and resource ('sleep schedule'), and distinguishes itself from sibling tools (no other sleep-related tools in the list).

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. It does not mention prerequisites, exclusions, or suitable contexts. The usage is only implied by the function name and brief parameter descriptions.

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