Source: https://seerepo.com/r/socketio/socket.io
Markdown source: https://seerepo.com/r/socketio/socket.io.md
Description: socketio/socket.io is a TypeScript repo with 55,763 lines written. socket.io is built with Express.

# What's inside socketio/socket.io

socketio/socket.io is a TypeScript repo with 55,763 lines written. socket.io is built with Express.

Its description on GitHub: “Bidirectional and low-latency communication for every platform”

TypeScript · MIT · 63,237 stars · GitHub: https://github.com/socketio/socket.io

Read on November 5, 2026, at commit 3d93c5a.

## More on this repo

- [What is socket.io built with?](https://seerepo.com/r/socketio/socket.io/built): socket.io is built with Express.
- [How much of socket.io did AI write?](https://seerepo.com/r/socketio/socket.io/ai): No AI tool signed any of the 6,634 commits of socket.io.

## In figures

- 55,763 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 228 files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 112 test files: The files that test the code.
- 3 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 socketio/socket.io?

socketio/socket.io is a TypeScript repo with 55,763 lines written. Its description on GitHub: “Bidirectional and low-latency communication for every platform”

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

### What is socket.io built with?

socket.io is built with Express.

The proof: [each service with its file and line](https://seerepo.com/r/socketio/socket.io/built)

### What license does socket.io have?

socket.io is released under the MIT license.

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

### How many stars does socket.io have on GitHub?

socket.io had 63,237 stars on GitHub on November 5, 2026.

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

## Add this badge to your README

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

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