Development
Plugin
muxy
Lightweight and Memory efficient terminal for Mac built with SwiftUI and libghostty
Plugin Signal73/100Solid
maintained100
capable23
documented100
adopted71
Install
$ npx -y skills add muxy-app/muxy --agent claude-code
What's inside
Skill(2 skills)
/muxy-cliHow to drive the Muxy macOS terminal multiplexer from a shell with the `muxy` command — open projects, switch projects/worktrees/tabs, build split layouts, send input to panes, and read visible terminal output. Use this when you are an agent running inside a Muxy pane (or any/muxy-extensionBest-practice guide for authoring a Muxy extension — how it should look and behave so it reads as a native part of the app. Covers theming (follow the theme, never hardcode colors), the sizing scale, and which surface to use. Mechanics (manifest fields, permissions, the
README
Vision
Lightweight terminal that has a rich API for extensions
Screenshots
Features
- Project groups
- Vertical tabs
- Split panes
- Git worktrees
- Quick open & command palette
- Text editor with syntax highlighting
- Markdown & HTML preview (with Mermaid diagrams)
- Image viewer
- Extensions
- Mobile companion apps (iOS & Android)
- Rich input panel with image attachments
- Voice input
- Notifications (in-app & native macOS)
- 490+ themes
- 50+ customizable shortcuts
- Workspace & session persistence
- Optional shortcut-triggered quick terminal that expands from the cutout like a dynamic island, with a persistent home-directory shell and configurable glass appearance
Agent Skills
# Drive the workspace from a shell (open projects, splits, send keys, read panes)
npx skills add github.com/muxy-app/muxy/tree/main/Muxy/Resources/skills/muxy-cli
# Author Muxy extensions (manifest, window.muxy API, theming)
npx skills add github.com/muxy-app/muxy/tree/main/Muxy/Resources/skills/muxy-extension
# Or install both into every detected AI harness at once (requires the Muxy CLI)
muxy install-skills
Requirements
- macOS 14+
- Swift 6.0+
Install
Homebrew
brew tap muxy-app/tap
brew install --cask muxy
Manual
Download the latest release from the releases page
iOS
Android
Local Development
scripts/setup.sh # downloads GhosttyKit.xcframework
swift build # debug build
swift run Muxy # run
scripts/checks.sh # format, lint, build, and test in isolated app storage
License
File tree
FAQ
muxy is a Claude Code plugin with 2 hand-picked skills for development work, indexed on Flowy. Install it with the command on its page. It includes muxy-cli, muxy-extension. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.
- What is muxy?
- Lightweight and Memory efficient terminal for Mac built with SwiftUI and libghostty
- How do I install muxy?
- Run these in Claude Code: npx -y skills add muxy-app/muxy --agent claude-code. Then prompt normally.
- Does muxy auto-invoke its skills?
- Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.
- Is muxy free?
- Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.
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