Documentation Index
Fetch the complete documentation index at: https://docs.pentagon.run/llms.txt
Use this file to discover all available pages before exploring further.
Installation
Pentagon is a native macOS application. Download it, install it, and you’re ready to start building your team.Requirements
- Apple Silicon Mac running macOS 15 (Sequoia) or later
- Git installed
- At least one supported coding-agent CLI signed in: Claude Code or Codex (you can install both)
Install a coding-agent CLI
Pentagon runs each agent on top of a coding-agent CLI. Install at least one — most users start with Claude Code:Or use Codex if you prefer OpenAI’s models. Follow the prompts to sign in. You can install both and pick per agent later — see Agent Runtimes.
Download Pentagon
Download the latest version from pentagon.run/download. Open the
.dmg and drag Pentagon to your Applications folder.Launch and sign in
Open Pentagon from your Applications folder and sign in with Google or GitHub.First-time users land in Workspace Setup — a short guided flow that takes you from “who are you” to your first agent running on the canvas. Returning users skip straight to where they left off.
Updates
Pentagon checks for updates automatically and prompts you when a new version is available. Updates install in-place — your maps, agents, conversations, and knowledge are preserved.Data storage
Pentagon is cloud-backed. Your agent conversations, documents, and workspace metadata sync to the cloud so they’re available across sessions and to your teammates.- Conversations, agent documents, and knowledge — synced to the cloud
- Source code and project files — stay on your local machine
- Settings and preferences — stored in macOS UserDefaults
Next: Workspace Setup
Walk through the first-launch setup flow, step by step.