Source: https://seerepo.com/r/rails/rails
Markdown source: https://seerepo.com/r/rails/rails.md
Description: rails/rails is a Ruby repo with 606,376 lines written in 1,601 files. rails is built with Rails and uses Postgres, Redis, and AWS S3.

# What's inside rails/rails

rails/rails is a Ruby repo with 606,376 lines written in 1,601 files. rails is built with Rails and uses Postgres, Redis, and AWS S3. AI signed 0.2% of the 73,707 commits of rails.

Its description on GitHub: “Ruby on Rails”

Ruby · MIT · 58,858 stars · GitHub: https://github.com/rails/rails

Read on October 28, 2026, at commit 793d744.

## Its folders

- [What is rails built with?](https://seerepo.com/r/rails/rails/built): rails is built with Rails and uses Postgres, Redis, and AWS S3.
- [How much of rails did AI write?](https://seerepo.com/r/rails/rails/ai): AI signed 0.2% of the 73,707 commits of rails.

## In figures

- 606,376 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 1,601 files: The product’s, not counting tests.
- 2,000 test files: The files that test the code.
- 4 technologies: 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 rails/rails?

rails/rails is a Ruby repo with 606,376 lines written in 1,601 files. Its description on GitHub: “Ruby on Rails”

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

### What is rails built with?

rails is built with Rails and uses Postgres, Redis, and AWS S3.

The proof: [each technology with its file and line](https://seerepo.com/r/rails/rails/built)

### How much of rails did AI write?

AI signed 0.2% of the 73,707 commits of rails.

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

### What license does rails have?

rails is released under the MIT license.

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

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

rails had 58,858 stars on GitHub on October 28, 2026.

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

## Add this badge to your README

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

```markdown
[![rails/rails on SeeRepo](https://seerepo.com/badge/rails/rails.svg)](https://seerepo.com/r/rails/rails?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.