Source: https://seerepo.com/r/koajs/koa/built
Markdown source: https://seerepo.com/r/koajs/koa/built.md
Description: koa is a JavaScript repo built with koa-compose. It signs people in with cookies, makes its content with escape-html, and is tested with supertest.

# What is koa built with?

koa is a JavaScript repo built with koa-compose. It signs people in with cookies, makes its content with escape-html, and is tested with supertest. It has 8,358 written lines, with 75 test files.

Read on November 7, 2026, at commit b7ead6f.

Repository: https://github.com/koajs/koa

## Backend

### Sign-in

- **cookies**: 1 file

## Support

### The base

- **koa-compose**: 1 file

### Content

- **[escape-html](https://seerepo.com/uses/escape-html)**: 1 file

### Testing

- **supertest**: 16 files

### Other

- **statuses**: 3 files
- **http-errors**: 2 files
- **on-finished**: 2 files
- **type-is**: 2 files
- **accepts**: 1 file
- **content-disposition**: 1 file
- **content-type**: 1 file
- **delegates**: 1 file
- **destroy**: 1 file
- **encodeurl**: 1 file
- **fresh**: 1 file
- **mime-types**: 1 file
- **parseurl**: 1 file
- **vary**: 1 file

## Other repos with a similar stack

- [eggjs/egg](https://seerepo.com/r/eggjs/egg/built): koa-compose, escape-html
- [firecrawl/firecrawl](https://seerepo.com/r/firecrawl/firecrawl/built): escape-html
- [expressjs/express](https://seerepo.com/r/expressjs/express/built): escape-html
- [meta/docusaurus](https://seerepo.com/r/meta/docusaurus/built): escape-html
- [mastodon/mastodon](https://seerepo.com/r/mastodon/mastodon/built): escape-html
- [usebruno/bruno](https://seerepo.com/r/usebruno/bruno/built): escape-html

## Frequently asked questions

### What language is koa written in?

koa is written in JavaScript, with 8,358 written lines.

### What framework does koa use?

koa is built with koa-compose.

### What does koa sign people in with?

koa signs people in with cookies.

### Does koa have tests?

Yes. koa has 75 test files and is tested with supertest.

### Which repos have a stack like koa's?

The ones that share most of its stack: eggjs/egg, firecrawl/firecrawl, and expressjs/express.

## 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.