Open source repo

What's inside carbon-app/carbon

carbon-app/carbon is a JavaScript repo with 13,229 lines written in 87 files. carbon is built with Next.js and React and uses Firebase. AI signed 0.1% of the 1,880 commits of carbon.

Its description on GitHub: “:black_heart: Create and share beautiful images of your source code”

JavaScriptMIT36,124

Read on November 1, 2026, at commit 3e9efcc.

What the card proved: what it’s built with on the left, what it uses on the right.

See each one with its proof

Its folders

TechnologiesWhat is carbon built with?carbon is built with Next.js and React and uses Firebase.Who writes itHow much of carbon did AI write?0.1%AI signed 0.1% of the 1,880 commits of carbon.

In figures

lines written: 13,229; The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
files: 87; The product’s, not counting tests.
test files: 10; The files that test the code.
technologies: 3; Each one with the file and line that prove it.

SeeRepo read its code facts-only: no AI, and none of its code is kept.

Frequently asked questions

What is carbon-app/carbon?

carbon-app/carbon is a JavaScript repo with 13,229 lines written in 87 files. Its description on GitHub: “:black_heart: Create and share beautiful images of your source code”

The proof: its page on GitHub

What is carbon built with?

carbon is built with Next.js and React and uses Firebase.

The proof: each technology with its file and line

How much of carbon did AI write?

AI signed 0.1% of the 1,880 commits of carbon.

The proof: the commits each tool signed

What license does carbon have?

carbon is released under the MIT license.

The proof: its page on GitHub

How many stars does carbon have on GitHub?

carbon had 36,124 stars on GitHub on November 1, 2026.