Source: https://seerepo.com/r/onlook-dev/onlook
Markdown source: https://seerepo.com/r/onlook-dev/onlook.md
Description: onlook-dev/onlook is a TypeScript repo with 151,760 lines written in 1,047 files. AI signed 5% of the 1,620 commits of onlook.

# What's inside onlook-dev/onlook

onlook-dev/onlook is a TypeScript repo with 151,760 lines written in 1,047 files. onlook is built with Next.js and React and uses Supabase, Postgres, PostHog, and 3 more. AI signed 5% of the 1,620 commits of onlook.

Its description on GitHub: “The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.”

TypeScript · Apache-2.0 · 27,084 stars · GitHub: https://github.com/onlook-dev/onlook

Read on November 2, 2026, at commit 423e2e9.

## Its folders

- [What is onlook built with?](https://seerepo.com/r/onlook-dev/onlook/built): onlook is built with Next.js and React and uses Supabase, Postgres, PostHog, and 3 more.
- [How much of onlook did AI write?](https://seerepo.com/r/onlook-dev/onlook/ai): AI signed 5% of the 1,620 commits of onlook.

## In figures

- 151,760 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 1,047 files: The product’s, not counting tests.
- 234 test files: The files that test the code.
- 8 technologies: Each service with the file and line that prove it.

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 onlook-dev/onlook?

onlook-dev/onlook is a TypeScript repo with 151,760 lines written in 1,047 files. Its description on GitHub: “The Developer Tool for Visual Engineers • An Open-Source AI-First Design tool • Visually build, style, and edit your code with AI • World's best, top-most agent recommended #1 Developer tool for Designers and Visual Engineers to design with Real Code.”

The proof: [its page on GitHub](https://github.com/onlook-dev/onlook)

### What is onlook built with?

onlook is built with Next.js and React and uses Supabase, Postgres, PostHog, and 3 more.

The proof: [each service with its file and line](https://seerepo.com/r/onlook-dev/onlook/built)

### How much of onlook did AI write?

AI signed 5% of the 1,620 commits of onlook.

The proof: [the commits each tool signed](https://seerepo.com/r/onlook-dev/onlook/ai)

### What license does onlook have?

onlook is released under the Apache-2.0 license.

The proof: [its page on GitHub](https://github.com/onlook-dev/onlook)

### How many stars does onlook have on GitHub?

onlook had 27,084 stars on GitHub on November 2, 2026.

The proof: [its page on GitHub](https://github.com/onlook-dev/onlook)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![onlook-dev/onlook on SeeRepo](https://seerepo.com/badge/onlook-dev/onlook.svg)](https://seerepo.com/r/onlook-dev/onlook?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.