productivity_pomodoro

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

With no annotations, description carries full burden. Adds valuable timing specificity (25min work / 5min break) that explains the Pomodoro structure. However, lacks disclosure on side effects: does it schedule calendar blocks, set system timers, or require polling? No mention of notifications, pausability, or completion 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?

Single sentence efficiently combines action, technique, and timing parameters. No filler words; parenthetical timing specification is high-information density. Appropriately front-loaded.

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?

Minimal but adequate for a focused 2-parameter tool. Missing execution context (notifications, backgrounding, cancellation) given lack of output schema or annotations, though the core Pomodoro mechanic is explained.

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 complete descriptions for both 'task' and 'sessions' parameters. Description provides baseline adequacy without adding redundant parameter details, meeting the standard for high-coverage schemas.

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?

States specific action (Start) and resource (Pomodoro timer session), including the classic 25min/5min timing structure. Effectively distinguishes from sibling productivity tools like calendar_event, note, and reminder by specifying the Pomodoro technique.

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?

No guidance on when to select this versus productivity_task_breakdown (which also handles task chunking) or when multiple short sessions are preferable to calendar blocking. No mention of prerequisites or constraints.

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