# @middy/core

> 🛵 The stylish Node.js middleware engine for AWS Lambda (core package)

Latest version **7.9.2** (published 2026-08-27) · MIT license · 0 weekly downloads

## Install

```sh
npm install @middy/core
pnpm add @middy/core
yarn add @middy/core
bun add @middy/core
```

## Health

**Score 75/100 (B)** — status: active.

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

Warnings: low downloads.

## Facts

| | |
|---|---|
| Version | 7.9.2 |
| Published | 2026-08-27 |
| First published | 2018-05-20 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM |
| Node | >=22 |
| Dependencies | 1 |
| Unpacked size | 30.5 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 3904 |
| Author | Middy contributors |
| Maintainers | lmammino, middyjs, willfarrell |
| Keywords | Middy, middleware, middleware engine, Lambda, AWS, AWS Lambda, Serverless, Framework, Node.js, TypeScript, ESM, API Gateway, Function URL, streamify-response, Durable function, event-driven, observability |

## Links

- npm: https://www.npmjs.com/package/@middy/core
- Repository: https://github.com/middyjs/middy
- Homepage: https://middy.js.org
- Issues: https://github.com/middyjs/middy/issues
- Funding: https://github.com/sponsors/willfarrell
- npm.io page: https://npm.io/package/@middy/core

## Dependencies (1)

- [@middy/util](https://npm.io/package/@middy/util.md) 7.9.2

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## Recent versions

- 7.9.2 (latest) — 2026-08-27
- 7.0.0-alpha.3 (next) — 2025-12-20
- 7.8.0 — 2026-08-20
- 7.7.4 — 2026-08-14
- 7.7.3 — 2026-08-12
- 7.7.2 — 2026-07-22
- 7.7.0 — 2026-06-23
- 7.6.8 — 2026-06-19
- 7.6.7 — 2026-06-07
- 7.6.6 — 2026-06-07
- 7.6.5 — 2026-05-22
- 7.6.4 — 2026-05-17
- 7.6.3 — 2026-05-16
- 7.6.2 — 2026-05-15
- 7.6.1 — 2026-05-15
- … 273 more at https://npm.io/package/@middy/core/versions

## README

<div align="center">
  <h1>Middy `core`</h1>
  <img alt="Middy logo" src="https://raw.githubusercontent.com/middyjs/middy/main/docs/img/middy-logo.svg"/>
  <p><strong>Core component of the middy framework, the stylish Node.js middleware engine for AWS Lambda</strong></p>
<p>
    <a href="https://github.com/middyjs/middy/actions/workflows/test-unit.yml"><img src="https://github.com/middyjs/middy/actions/workflows/test-unit.yml/badge.svg" alt="GitHub Actions unit test status"></a>
    <a href="https://github.com/middyjs/middy/actions/workflows/test-dast.yml"><img src="https://github.com/middyjs/middy/actions/workflows/test-dast.yml/badge.svg" alt="GitHub Actions dast test status"></a>
    <a href="https://github.com/middyjs/middy/actions/workflows/test-perf.yml"><img src="https://github.com/middyjs/middy/actions/workflows/test-perf.yml/badge.svg" alt="GitHub Actions perf test status"></a>
    <a href="https://github.com/middyjs/middy/actions/workflows/test-sast.yml"><img src="https://github.com/middyjs/middy/actions/workflows/test-sast.yml/badge.svg" alt="GitHub Actions SAST test status"></a>
    <a href="https://github.com/middyjs/middy/actions/workflows/test-lint.yml"><img src="https://github.com/middyjs/middy/actions/workflows/test-lint.yml/badge.svg" alt="GitHub Actions lint test status"></a>
    <br/>
    <a href="https://www.npmjs.com/package/@middy/core"><img alt="npm version" src="https://img.shields.io/npm/v/@middy/core.svg"></a>
    <a href="https://packagephobia.com/result?p=@middy/core"><img src="https://packagephobia.com/badge?p=@middy/core" alt="npm install size"></a>
    <a href="https://www.npmjs.com/package/@middy/core">
    <img alt="npm weekly downloads" src="https://img.shields.io/npm/dw/@middy/core.svg"></a>
    <a href="https://www.npmjs.com/package/@middy/core#provenance">
    <img alt="npm provenance" src="https://img.shields.io/badge/provenance-Yes-brightgreen"></a>
    <br/>
    <a href="https://scorecard.dev/viewer/?uri=github.com/middyjs/middy"><img src="https://api.scorecard.dev/projects/github.com/middyjs/middy/badge" alt="Open Source Security Foundation (OpenSSF) Scorecard"></a>
    <a href="https://slsa.dev"><img src="https://slsa.dev/images/gh-badge-level3.svg" alt="SLSA 3"></a>
    <a href="https://github.com/middyjs/middy/blob/main/docs/CODE_OF_CONDUCT.md"><img src="https://img.shields.io/badge/Contributor%20Covenant-2.1-4baaaa.svg"></a>
    <a href="https://biomejs.dev"><img alt="Checked with Biome" src="https://img.shields.io/badge/Checked_with-Biome-60a5fa?style=flat&logo=biome"></a>
    <a href="https://conventionalcommits.org"><img alt="Conventional Commits" src="https://img.shields.io/badge/Conventional%20Commits-1.0.0-%23FE5196?logo=conventionalcommits&logoColor=white"></a>
    <a href="https://github.com/middyjs/middy/blob/main/package.json#L32">
    <img alt="code coverage" src="https://img.shields.io/badge/code%20coverage-100%25-brightgreen"></a>
</p>
<p>You can read the documentation at: <a href="https://middy.js.org">https://middy.js.org</a></p>
</div>


## Install

To install middy you can use NPM:

```bash
npm install --save @middy/core
```


## Documentation and examples

For documentation and examples, refer to the main [Middy monorepo on GitHub](https://github.com/middyjs/middy) or [Middy official website](https://middy.js.org).


## Contributing

Everyone is very welcome to contribute to this repository. Feel free to [raise issues](https://github.com/middyjs/middy/issues) or to [submit Pull Requests](https://github.com/middyjs/middy/pulls).


## License

Licensed under [MIT License](https://github.com/middyjs/middy/blob/main/LICENSE). Copyright (c) 2017-2026 [will Farrell](https://github.com/willfarrell), [Luciano Mammino](https://github.com/lmammino), and [Middy contributors](https://github.com/middyjs/middy/graphs/contributors).

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