Open source repo
What's inside marimo-team/
marimo-team/marimo is a Python repo with 907,947 lines written. marimo is built with FastAPI, starlette, uvicorn, and 2 more. AI signed 3.6% of the 7,195 commits of marimo.
Its description on GitHub: “A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.”
Read on November 4, 2026, at commit b62dfd4.
What the card proved: what it’s built with on the left, what it uses on the right.
See each one with its proofIn figures
- lines written
- 907,947
- The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- files
- 2,501
- The product’s, not counting tests.
- test files
- 1,461
- The files that test the code.
SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.
Frequently asked questions
What is marimo-team/marimo?
The proof: its page on GitHub
What is marimo built with?
The proof: each service with its file and line
How much of marimo did AI write?
The proof: the commits each tool signed
What license does marimo have?
The proof: its page on GitHub
How many stars does marimo have on GitHub?
The proof: its page on GitHub
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