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

Annotations already declare non-read-only, non-destructive, non-idempotent, open-world behavior. The description usefully adds that the event is created with default hours and booking window and is published immediately, which is real behavioral context, but it omits any warning that repeated calls (idempotentHint=false) create duplicates, and says nothing about permissions.

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?

Two short, front-loaded sentences that get to the resource definition and creation behavior quickly. The second sentence about duration is slightly redundant with the parameter name, so it is not perfectly lean.

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?

For a two-parameter create tool with annotations covering the safety profile and no output schema, the description covers purpose, defaults, and immediate publication adequately. It still leaves gaps around the name parameter and duplicate-creation risk, so it is only minimally sufficient.

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 carry both parameters. It addresses duration ('in minutes') only, which is largely redundant with the parameter name duration_minutes, and never explains the name parameter or that neither is required per the schema. One of two params is left entirely undocumented.

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 a specific verb+resource ('make an event type') and even defines what the resource is ('a meeting a lead may book'), which is more than the title gives. However, it does not distinguish itself from the many event siblings (save_an_event, publish_an_event, list_events, switch_tommo_work_on_an_event), so an agent must still infer which of these to pick.

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 phrase 'published at once' implicitly contrasts with publish_an_event, suggesting this tool skips a separate publish step, but that alternative is never named and no explicit when-to-use/when-not guidance is given. Usage is only implied.

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