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mrmd

Collaborative markdown notebooks - edit and run code together.

Quick Start

# Run directly with uvx (no install needed)
uvx mrmd

# Or install and run
pip install mrmd
mrmd

What it does

mrmd opens a collaborative markdown editor in your browser. You can:

  • Write markdown with live preview
  • Add executable code blocks (Python, JavaScript, etc.)
  • Collaborate in real-time with others
  • Run code and see output inline

Usage

# Open editor in current project
mrmd

# Use custom docs directory
mrmd --docs ./notes

# Use custom port
mrmd --port 3000

# Don't open browser automatically
mrmd --no-browser

How it works

mrmd automatically detects your project root by looking for common markers:

  • .git - Git repository
  • .venv - Python virtual environment
  • pyproject.toml - Python project
  • package.json - Node.js project
  • etc.

It then:

  1. Starts a sync server for real-time collaboration (Yjs/CRDT)
  2. Starts a Python runtime for code execution
  3. Serves the editor UI
  4. Opens your browser

Documents are saved to the docs/ directory in your project (or notebooks/, notes/ if they exist).

Development

# Clone the repo
git clone https://github.com/anthropics/mrmd-packages
cd mrmd-packages/mrmd

# Install in development mode
uv pip install -e .

# Run
mrmd

License

MIT

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0.10.1 This release

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0.9.22

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0.1.0

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