# @cucumber/messages

> JSON schema-based messages for Cucumber's inter-process communication

Latest version **34.2.1** (published 2026-08-05) · MIT license · 0 weekly downloads

## Install

```sh
npm install @cucumber/messages
pnpm add @cucumber/messages
yarn add @cucumber/messages
bun add @cucumber/messages
```

## 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 | 34.2.1 |
| Published | 2026-08-05 |
| First published | 2020-01-09 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 0 |
| Unpacked size | 98 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 41 |
| Author | Cucumber Limited |
| Maintainers | cukebot |

## Links

- npm: https://www.npmjs.com/package/@cucumber/messages
- Repository: https://github.com/cucumber/messages
- Homepage: https://github.com/cucumber/messages#readme
- Issues: https://github.com/cucumber/messages/issues
- npm.io page: https://npm.io/package/@cucumber/messages

## Recent versions

- 34.2.1 (latest) — 2026-08-05
- 34.2.0 — 2026-07-19
- 34.1.0 — 2026-07-15
- 34.0.2 — 2026-07-13
- 34.0.1 — 2026-07-05
- 34.0.0 — 2026-07-05
- 33.0.4 — 2026-06-27
- 33.0.3 — 2026-06-20
- 33.0.2 — 2026-06-10
- 33.0.1 — 2026-06-10
- 32.3.1 — 2026-04-13
- 32.3.0 — 2026-04-13
- 32.2.0 — 2026-03-01
- 32.1.0 — 2026-02-27
- 32.0.1 — 2026-01-25
- … 68 more at https://npm.io/package/@cucumber/messages/versions

## README

# Cucumber Messages for JavaScript (JSON schema)

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