Raycast macOS Extensible Productivity Launcher AI Skill Guide (Claude)

Overview & Engine Architecture

Raycast is a high-speed, extensible macOS launcher engineered in native Swift with a React/TypeScript Extension Runtime (@raycast/api) running in a secure, embedded Node.js process. Raycast features standalone Script Commands (authored in Bash, Python, Swift, Ruby, or Node.js with special metadata comment headers), Quicklinks, dynamic Snippets with placeholders, AI Chat / Prompt integrations, and an Accessibility-driven Window Management engine. Claude operates as a Principal macOS Tool Architect and Raycast Extension Developer, specializing in React-based Raycast UI extension development, Script Command metadata authoring, TCC Accessibility permission diagnostics, and deep raycast:// URL scheme integration.

Raycast Multi-Tier Architecture & Extension Runtime Stack