# getcai.app > AI-optimized mirror of getcai.app containing 18 pages totalling 10,387 words of clean markdown content, structured data, and semantic HTML. Original source: https://getcai.app/. Last updated: 2026-05-01T12:42:57.222Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [Act on anything. Locally.](/site-root.html): Cai is a free, open-source AI action layer for macOS. Select any text or image, press ⌥C, and run smart actions: AI prompts, terminal scripts, OCR, GitHub issues, Linear tickets. Built-in local AI, no account needed. MIT licensed. (1,107 words) ## Articles & Blog Posts - [Context Snippets](/docs/usage/context-snippets/index.html): Teach Cai per-app context so every AI action gets smarter. Tell Cai 'when I copy from Terminal, assume Rails' or 'when I copy from Slack, match the sender's tone' — and Cai adapts automatically. (1,530 words) - [LLM Setup](/docs/getting-started/llm-setup/index.html): Set up AI models for Cai. Use the built-in MLX models, Apple Intelligence on macOS 26+, LM Studio, Ollama, OpenRouter, or any OpenAI-compatible provider. (1,126 words) - [Community Extensions](/docs/usage/extensions/index.html): Browse and install community-built extensions for Cai. Pre-built custom actions and destinations shared by other users. (1,145 words) - [Custom Actions](/docs/usage/saved-actions/index.html): Save frequently-used AI prompts, scripts and URL templates as custom actions in Cai. Instant access to your most common clipboard actions. (710 words) - [Cai vs Alter](/vs/alter/index.html): Compare Cai and Alter for macOS. Alter is voice-first and cloud-first with meeting recording. Cai is keyboard-first, selection-triggered, with a built-in local model. Free, MIT, no account. (355 words) - [How It Works](/docs/usage/how-it-works/index.html): Learn how Cai detects clipboard content, offers smart actions, and processes text with AI. Content types, context awareness, and settings. (581 words) - [Custom Destinations](/docs/usage/destinations/index.html): Send Cai results to any app or service. Configure webhooks, AppleScript, URL schemes, and shell commands for automated workflows. (635 words) - [Cai vs Raycast](/vs/raycast/index.html): Compare Cai and Raycast for macOS AI. Cai is selection-triggered with a built-in local model, zero-config GitHub/Linear, and YAML extensions. Free and MIT. Raycast is a launcher suite with AI as a paid add-on. (399 words) - [Common Issues](/docs/troubleshooting/common-issues/index.html): Troubleshoot common Cai issues. Fix global hotkey problems, LLM connection errors, busy ports, Apple Intelligence setup, and more. (734 words) - [Connectors](/docs/usage/connectors/index.html): Connect Cai to GitHub and Linear to create issues directly from your selected text. (393 words) - [Cai vs BoltAI](/vs/boltai/index.html): Compare Cai and BoltAI for macOS. BoltAI is chat-shaped ($79–$99). Cai is action-shaped: select, press ⌥C, done. Built-in local model, zero-config GitHub/Linear, YAML extensions. Free and MIT. (389 words) - [Cai vs ChatGPT](/vs/chatgpt/index.html): Compare Cai and ChatGPT for macOS. Cai runs AI actions inline on selected text. Local by default, no account, no subscription. ChatGPT is a cloud chat app. Different tools for different jobs. (242 words) - [Cai vs Maccy](/vs/maccy/index.html): Maccy stores clipboard history. Cai acts on it: AI prompts, terminal scripts, OCR, GitHub issues. All local by default. Both free and open source. Different tools, different jobs. (395 words) - [Installation](/docs/getting-started/installation/index.html): Download and install Cai on macOS. Requirements, first launch setup, and accessibility permissions. (191 words) - [Ask AI](/docs/usage/custom-actions/index.html): Run any AI prompt on your selected text with Cai's Ask AI action. Free-form text processing with your local LLM. (162 words) - [Keyboard Shortcuts](/docs/usage/keyboard-shortcuts/index.html): Complete keyboard shortcut reference for Cai. Global hotkey, action window navigation, custom prompts, and menu bar controls. (105 words) - [Cai Documentation](/docs/index.html): Documentation for Cai, the action layer for macOS. Installation, LLM setup, custom actions, GitHub and Linear connectors, and keyboard shortcuts. (188 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives