PlainHub

GitHub-native notepad. AI-ready.

Open, edit, save — directly to your repo. No server, no database.

Features

• GitHub-backed — All files stay in your repository
• CLI — Open files from your terminal: plainhub open <file> -r <repo>
• MCP Server — Control from AI IDE (Claude Code, Cursor) via natural language
• Markdown preview — Live preview as you type
• Dark / Light theme — Automatic or manual switching
• Deep linking — Share file URLs with custom settings
• PWA — Install as an app, works on mobile

Quick Start

Web

Visit plainhub.dev and sign in with GitHub.

CLI

npm install -g plainhub
plainhub auth --from-gh
plainhub open README.md -r owner/repo

MCP Server

npm install -g plainhub
claude mcp add plainhub -- plainhub-mcp

Then say: "Open the README in owner/repo on PlainHub"

Documentation

• User Guide — Editor features and shortcuts
• CLI Reference — Commands and options
• MCP Server Setup — AI IDE integration

PlainHub & github.dev

github.dev is a full-featured editor — great for serious coding sessions.

PlainHub is a notepad backed by GitHub — open, edit, save. Different tools for different moments.

Links

• App: plainhub.dev
• About: plainhub.dev/about.html

License

Copyright © 2025 ricrio Inc. All rights reserved.