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Agent skill

Notification

by mikeyobrien in mikeyobrien/rho

Show macOS system notifications with title, body, and optional sound.

MITAuto-check passed

Install Notification

skills CLI
$ npx skills add mikeyobrien/rho --skill notification -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install mikeyobrien/rho notification --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/mikeyobrien/rho.git skills-src && mkdir -p .claude/skills && cp -r skills-src/platforms/macos/skills/notification .claude/skills/notification && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
notification
GitHub stars
372
Token cost
~296 tokens
SKILL.md length
38 words
Files
1
Skills in repo
35
Repo updated
First seen
Licence
MIT

At a glance

Show macOS system notifications with title, body, and optional sound.

  • SKILL.md covers Basic notification, With subtitle, With sound and Common sound names, plus 1 more section
  • Calls osascript and brew

What it does

Notification is an agent skill from mikeyobrien/rho. Show macOS system notifications with title, body, and optional sound. Use for alerts, reminders, or status updates.

Its SKILL.md is about 300 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It works with macOS. The repository describes itself as: An AI agent that stays running, remembers across sessions, and checks in on its own. macOS, Linux, Android. Built on Pi. The licence is MIT.

Example prompts

  • “/notification”

What it can do on your machine

Read from SKILL.md and the folder at commit 073a3ee. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • osascript
    • brew

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Notification loads about 296 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 38 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~32
When it runs · the whole SKILL.md, loaded when a task matches
~296

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from mikeyobrien/rho at commit 073a3ee, republished under its MIT licence (© mikeyobrien). 38 words, ~296 tokens.

Download SKILL.mdSave it as .claude/skills/notification/SKILL.md (or your agent's skills folder).
name
notification
description
Show macOS system notifications with title, body, and optional sound. Use for alerts, reminders, or status updates.

System Notifications

Basic notification

bash
osascript -e 'display notification "Message body" with title "Title"'

With subtitle

bash
osascript -e 'display notification "Body" with title "Title" subtitle "Subtitle"'

With sound

bash
osascript -e 'display notification "Body" with title "Title" sound name "default"'

Common sound names

  • default — system default
  • Basso, Blow, Bottle, Frog, Funk, Glass, Hero, Morse, Ping, Pop, Purr, Sosumi, Submarine, Tink

Richer notifications (optional)

For persistent or actionable notifications, install terminal-notifier:

bash
brew install terminal-notifier
bash
terminal-notifier -title "Title" -message "Body"
terminal-notifier -title "Title" -message "Body" -sound default
terminal-notifier -title "Title" -message "Body" -open "https://example.com"
terminal-notifier -title "Title" -message "Body" -group "mynotif"  # updatable by group
terminal-notifier -remove "mynotif"  # remove by group

© mikeyobrien, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in platforms/macos/skills/notification of mikeyobrien/rho.

Open the folder on GitHubat commit 073a3ee

Compare with similar skills

Notification next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Notification compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Notification this skillmikeyobrien/rho372—~296Automated safety check: PassMIT
Site ArchitectureAvdLee/RocketSimApp80411 repos~3.3kAutomated safety check: PassCustom licence
Engine Whats Newflutter/flutter179k—~978Automated safety check: PassBSD-3-Clause
macOS Spm App PackagingDimillian/Skills4k5 repos~1.2kAutomated safety check: PassMIT
Openclaw Live Updateropenclaw/openclaw392k—~3.7kAutomated safety check: PassMIT
Orca iOS Simulator Controlstablyai/orca88k1 repos~584Automated safety check: PassApache-2.0

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    804 GitHub starsUsed in 11 repos~3.3k tokens
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    Generates the "what's new" release summary and diff file for changes in the Flutter engine (//engine/src/flutter) between two releases (e.g., 3.47 vs 3.44).

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Works with

Questions about Notification

What does Notification do?

Show macOS system notifications with title, body, and optional sound. Notification is an agent skill from mikeyobrien/rho. Show macOS system notifications with title, body, and optional sound.

How do I install Notification in Claude Code?

Run `npx skills add mikeyobrien/rho --skill notification -a claude-code`. Or copy the skill folder (platforms/macos/skills/notification in mikeyobrien/rho) into .claude/skills/notification in your project. Claude Code loads it when a task matches its description.

How do I install Notification in Codex?

Run `npx skills add mikeyobrien/rho --skill notification -a codex`. Or copy the skill folder (platforms/macos/skills/notification in mikeyobrien/rho) into .agents/skills/notification in your project. Codex loads it when a task matches its description.

Can I use Notification in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add mikeyobrien/rho --skill notification -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/notification, .gemini/skills/notification, .github/skills/notification and .opencode/skills/notification in your project.

What does Notification need to run?

Going by SKILL.md and its folder, Notification needs the command-line tools its instructions call (osascript and brew).

Does Notification access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Notification safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Notification use?

Notification is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Notification use?

About 296 tokens (SKILL.md is roughly 1.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Notification?

Skills that share tags, products or a category with Notification: Site Architecture (AvdLee/RocketSimApp, 804 stars), Engine Whats New (flutter/flutter, 179k stars), macOS Spm App Packaging (Dimillian/Skills, 4k stars) and Openclaw Live Updater (openclaw/openclaw, 392k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Notification?

mikeyobrien (a GitHub user) maintains it in mikeyobrien/rho, which has 372 GitHub stars. The repository holds 35 skills in this directory. The repository was last updated on October 1, 2026.

Source: mikeyobrien/rho on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.