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marimo
@marimo.io
An open-source reactive Python notebook: reproducible, git-friendly, execute as scripts, share as apps!

GitHub: https://github.com/marimo-team/marimo
Discord: https://marimo.io/discord?ref=bsky
These are just a few of the 12+ enhancements included in 0.17.0. See the release notes for the full list.

github.com/marimo-team...
Release 0.17.0 · marimo-team/marimo
This release delivers improvements to the AI user experience and adds support for Python 3.14. AI autofix for cells When AI generates code suggestions for fixing Python and SQL cells, you can now a...
github.com
October 16, 2025 at 7:28 PM
marimo now supports Python 3.14. Our required dependencies have compiled wheels, so installation remains easy.

To expedite the release, we're shepherding a maintenance-mode fork of msgspec, a fast serialization and validation library.

github.com/marimo-team...
GitHub - marimo-team/msgspec: A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML
A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML - marimo-team/msgspec
github.com
October 16, 2025 at 7:28 PM
Shout out to Joaquin Coromina, who implemented our MCP support. Read more at his guest blog: marimo.io/blog/beyond...
Turning Python notebooks into AI-Accessible Systems
A deep dive into adding MCP support for marimo
marimo.io
October 16, 2025 at 7:28 PM
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.
October 16, 2025 at 7:28 PM
Try it out on molab: molab.marimo.io/notebooks/n...
molab
molab is a cloud-hosted marimo notebook workspace that lets you rapidly experiment on data with Python and SQL
marimo.io
October 1, 2025 at 4:00 PM
In the coming weeks, we will have a lot more to say about how marimo is uniquely well-suited to empower both agents and humans to rapidly create production-ready data apps and pipelines ... see our latest newsletter for a sneak peek!

marimo.io/blog/newsle... (n/n)
Newsletter 18
Making marimo better for humans and agents
marimo.io
September 29, 2025 at 6:33 PM
Previously, agents like Claude Code could already execute marimo notebooks as scripts to get feedback on the correctness of their code.

With marimo check, agents can get additional feedback without running a single line of code, empowering them to self-correct on the fly. (5/n)
September 29, 2025 at 6:33 PM
Developers and agents prefer marimo to Jupyter because it's code-first and productionizable ...

... while agents wielding marimo make Python accessible to non-technical users who were previously limited by Looker's inflexible UI (4/n)
September 29, 2025 at 6:33 PM
Companies large and small are replacing legacy data tools with AI-native, workflows built on marimo because of our code-first and productionizable design

With agents, marimo lets companies go instantly from prompt to data app, pipeline, LLM eval notebook, and more (3/n)
September 29, 2025 at 6:33 PM