toggle_waybar

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

Annotations already declare it as a non-read-only, non-destructive, closed-world operation, so the safety profile is covered. The description adds that the effect is on visibility (reversible by construction), but says nothing about whether it affects all bars/monitors or what state is returned.

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?

One short, front-loaded sentence with no padding. The parenthetical restates 'toggle' from the name, so it is slightly redundant rather than fully earning its place.

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?

With no parameters and no output schema, the only remaining unknown is the return value (e.g., whether the new visibility state is reported), which the description does not clarify. Annotations cover safety, so the residual gap is modest but real.

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?

Zero parameters, so there is nothing for the description to disambiguate; baseline 4 applies. The description correctly signals a no-argument action.

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 action (show/hide) on a specific resource (waybar), and the parenthetical confirms the semantics are visibility toggling rather than a mode change. It does not, however, distinguish itself from neighbors like get_waybar_mode or set_waybar_mode, which an agent could confuse with visibility control.

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?

Usage is only implied by the word 'toggle' — call it to flip visibility. There is no statement of when to prefer it over set_waybar_mode/next_waybar_mode, nor any suggestion to check state first with get_waybar_mode.

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