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Show Notification

show_notification

Display macOS system notifications with customizable title, subtitle, and sound. Send alerts directly to the user's desktop.

Instructions

Display a macOS system notification with optional title, subtitle, and sound.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
messageYesNotification body text
titleNoNotification title
subtitleNoNotification subtitle
soundNoSound name to play (e.g. 'Frog', 'Glass', 'Hero')
Behavior3/5

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

Annotations do not contradict; description adds it is a macOS system notification, but does not discuss permissions or side effects beyond basic display.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence fully conveys tool purpose without redundancy; highly concise and front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Adequate for a simple tool; covers essential behavior. Could mention lack of response or persistence, but not necessary for this tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 100% description coverage, so description adds no extra meaning beyond listing optional parameters (title, subtitle, sound).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the action (display) and resource (macOS system notification), with optional parameters. It is unique among siblings as no other tool creates notifications.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use or alternatives, but it is the only notification tool; usage is implied.

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

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