Marimo Development Server
Start a marimo development server with hot reload for interactive notebook development.
Server Command
To start the server in background:
uv run marimo run --watch {filename} --port 2818
Use the Bash tool with run_in_background: true parameter to keep the server running.
Configuration
- Default port: 2818
- Access URL:
http://localhost:2818 - Hot reload: Enabled with
--watchflag
Verification
After starting the server:
- Check running tasks with
/taskscommand - Verify server is accessible via WebFetch to
http://localhost:2818 - Use
lsof -i :2818to confirm port is in use
Workflow
- Ensure the target notebook file exists
- Start server with
run_in_background: true - Edit notebook files with the Edit tool
- Server automatically reloads on file changes
- Fetch results via WebFetch when needed