open-url

Open URLs, files, and applications on macOS using the open command.

369|29|Updated Feb 3, 2026

Search Tags:#macOS #files #open #URLs #applications #Finder

Ready to run

npx skills add https://github.com/mikeyobrien/rho --skill open-url

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: open-url
Source: https://github.com/mikeyobrien/rho/tree/main/platforms/macos/skills/open-url
Command: npx skills add https://github.com/mikeyobrien/rho --skill open-url

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Open URLs, files, and applications on macOS quickly from any context, reducing manual navigation tasks.

Core Features & Use Cases

Open a URL in the default browser.
Open a file with its default application.
Launch a specific application by name.
Reveal a file or directory in Finder.
Open a new Finder window to begin a new workflow.

Quick Start

Open a URL with the default browser: open https://example.com Open a file with its default app: open document.pdf Open a specific app: open -a "Safari" https://example.com Reveal in Finder: open -R /path/to/file Open a new Finder window: open .

Frequently Asked Questions about open-url

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I open URLs in the default browser on macOS?▼

Open URLs in your default browser using the macOS open command: open https://example.com. This launches the URL without requiring manual browser navigation, working from any terminal or script context.

Can I open files with their default applications on macOS?▼

Yes, open files with their default applications by running open document.pdf or open /path/to/file. macOS automatically launches the associated app for that file type.

How do I launch a specific application from the command line on macOS?▼

Launch specific applications using open -a "AppName". For example, open -a "Safari" https://example.com opens a URL in Safari instead of your default browser.

How do I reveal a file or folder in Finder on macOS?▼

Reveal files or directories in Finder using open -R /path/to/file. This opens Finder and highlights the specified file without launching its associated application.

Can I open a new Finder window from the terminal on macOS?▼

Open a new Finder window by running open . from your terminal. This launches Finder at the current directory, letting you begin file browsing or navigation workflows.

Do I need external dependencies to open URLs and files on macOS?▼

No external dependencies are required. This Skill uses the built-in macOS open command, which is native to the operating system and works immediately without additional installations.