marimo

@marimo_io
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An open-source reactive notebook for Python: reproducible, git-friendly, executable, shareable as apps

🌐 http://github.com/marimo-team/marimo
💬 http://discord.gg/JE7nhX6mD8

We just closed our most up-voted GitHub issue — you can now debug cells in marimo's VS Code / Cursor extension.

Shout out to @trevmanz for contributing the fix!

Learn how to train neural networks with PyTorch, and how to implement a transformer from scratch, in the latest Modern AI Course molab notebooks

These notebooks accompany CMU's Intro to Modern AI

(1/n)

Multi-modal AI – you can now attach images when using "Generate with AI". Go from whiteboard scrawlings to Tikz diagrams instantly
Customize gallery cards with OpenGraph metadata, letting you express yourself with rich thumbnails and descriptions

Just shipped: marimo v0.19.8! Like all our releases, this one is packed. Highlights:

Serve a gallery of notebooks with `marimo run`. Gallery cards can be customized with OpenGraph metadata, letting you showcase your work with custom thumbnails. (1/n)

There's only one way to find out who "cantdutchthis" is on Reddit.

You can choose to let our extension manage packages for you, with uv.

Import a package and you're automatically prompted to install it if it's missing. Dependencies are recorded in script metadata, making your notebooks reproducible down to the packages.

Just shipped: use marimo natively inside your favorite editors, including VS Code and Cursor.

Version with Git; use interactive elements; reactive execution keeps code and outputs in sync.

Our extension integrates deeply with @astral_sh uv for fast installs and isolated venvs.

marimo now exposes its AI tools through an MCP server endpoint, allowing external AI applications like Claude Code, Cursor, and VS Code to interact with your notebooks.

**Just shipped: v0.17.0** 🍃

v0.17.0 improves the developer experience of working with AI, lets you use marimo as an MCP server, and adds support for Python 3.14.

One of many features: our AI autofix automatically injects table and runtime context for you.