# @web/dev-server-core

> Web dev server core

Latest version **1.0.1** (published 2026-07-27) · MIT license · 0 weekly downloads

## Install

```sh
npm install @web/dev-server-core
pnpm add @web/dev-server-core
yarn add @web/dev-server-core
bun add @web/dev-server-core
```

## Health

**Score 70/100 (B)** — status: active.

Positive: has types; esm support; no vulnerabilities; has provenance; recently updated; high maintenance score.

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 1.0.1 |
| Published | 2026-07-27 |
| First published | 2020-07-02 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Node | >=22.0.0 |
| Dependencies | 18 |
| Unpacked size | 290.3 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 2450 |
| Author | modern-web |
| Maintainers | d4kmor, passle, jorenbroekema, bennyp, larsdenbakker, westbrook, modern-web |
| Keywords | web, dev, server, es-dev-server, core |

## Links

- npm: https://www.npmjs.com/package/@web/dev-server-core
- Repository: https://github.com/modernweb-dev/web
- Homepage: https://github.com/modernweb-dev/web/tree/master/packages/dev-server-core
- Issues: https://github.com/modernweb-dev/web/issues
- npm.io page: https://npm.io/package/@web/dev-server-core

## Dependencies (18)

- [ws](https://npm.io/package/ws.md) ^7.5.10
- [koa](https://npm.io/package/koa.md) ^2.16.1
- [clone](https://npm.io/package/clone.md) ^2.1.2
- [parse5](https://npm.io/package/parse5.md) ^6.0.1
- [chokidar](https://npm.io/package/chokidar.md) ^4.0.1
- [koa-etag](https://npm.io/package/koa-etag.md) ^4.0.0
- [koa-send](https://npm.io/package/koa-send.md) ^5.0.1
- [@types/ws](https://npm.io/package/@types/ws.md) ^7.4.0
- [is-stream](https://npm.io/package/is-stream.md) ^2.0.0
- [lru-cache](https://npm.io/package/lru-cache.md) ^8.0.4
- [picomatch](https://npm.io/package/picomatch.md) ^2.3.2
- [@types/koa](https://npm.io/package/@types/koa.md) ^2.11.6
- [get-stream](https://npm.io/package/get-stream.md) ^6.0.0
- [koa-static](https://npm.io/package/koa-static.md) ^5.0.0
- [mime-types](https://npm.io/package/mime-types.md) ^2.1.27
- [isbinaryfile](https://npm.io/package/isbinaryfile.md) ^5.0.0
- [es-module-lexer](https://npm.io/package/es-module-lexer.md) ^1.0.0
- [@web/parse5-utils](https://npm.io/package/@web/parse5-utils.md) ^3.0.0

## Alternatives

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## Recent versions

- 1.0.1 (latest) — 2026-07-27
- 0.0.0-canary-20240219104536 (canary) — 2024-02-19
- 1.0.0 — 2026-07-07
- 0.7.5 — 2024-12-27
- 0.7.4 — 2024-11-06
- 0.7.3 — 2024-09-28
- 0.7.2 — 2024-05-12
- 0.0.0-canary-20240219104126 — 2024-02-19
- 0.0.0-canary-20240212171943 — 2024-02-12
- 0.7.1 — 2024-01-30
- 0.0.0-canary-20240105101412 — 2024-01-05
- 0.0.0-canary-20240105095248 — 2024-01-05
- 0.0.0-canary-20240105093823 — 2024-01-05
- 0.0.0-canary-20240105092607 — 2024-01-05
- 0.0.0-canary-20240105091725 — 2024-01-05
- … 73 more at https://npm.io/package/@web/dev-server-core/versions

## README

# Web Dev Server Core

Core library powering the web server of [@web/test-runner](https://github.com/modernweb-dev/web/tree/master/packages/test-runner) and [@web/dev-server](https://github.com/modernweb-dev/web/tree/master/packages/dev-server)

See [our website](https://modern-web.dev/docs/dev-server/overview/) for full documentation.

---
_Source: https://npm.io/package/@web/dev-server-core · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._