# @digitalbazaar/zcap

> Authorization Capabilities reference implementation.

Latest version **9.0.3** (published 2026-09-17) · BSD-3-Clause license · 0 weekly downloads

## Install

```sh
npm install @digitalbazaar/zcap
pnpm add @digitalbazaar/zcap
yarn add @digitalbazaar/zcap
bun add @digitalbazaar/zcap
```

## Health

**Score 60/100 (C)** — status: active.

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

Warnings: low downloads; no types.

## Facts

| | |
|---|---|
| Version | 9.0.3 |
| Published | 2026-09-17 |
| First published | 2022-01-11 |
| Weekly downloads | 0 |
| License | BSD-3-Clause |
| TypeScript types | none |
| Module format | ESM |
| Node | >=18 |
| Dependencies | 2 |
| Unpacked size | 77.9 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| GitHub stars | 29 |
| Author | Digital Bazaar, Inc. |
| Maintainers | dlongley, msporny, davidlehn, gannan |
| Keywords | Authorization Capability, Authorization Capabilities, JSON, JSON-LD, Linked Data, OCAP, OCAP-LD, Semantic Web, ZCAP, ZCAP-LD, digital signatures, object capabilities |

## Links

- npm: https://www.npmjs.com/package/@digitalbazaar/zcap
- Repository: https://github.com/digitalbazaar/zcap
- Issues: https://github.com/digitalbazaar/zcap/issues/
- npm.io page: https://npm.io/package/@digitalbazaar/zcap

## Dependencies (2)

- [jsonld-signatures](https://npm.io/package/jsonld-signatures.md) ^11.0.0
- [@digitalbazaar/zcap-context](https://npm.io/package/@digitalbazaar/zcap-context.md) ^2.0.0

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## Recent versions

- 9.0.3 (latest) — 2026-09-17
- 9.0.2 — 2026-09-16
- 9.0.1 — 2024-03-29
- 9.0.0 — 2022-10-25
- 8.0.0 — 2022-06-07
- 7.2.2 — 2022-02-23
- 7.2.1 — 2022-02-23
- 7.2.0 — 2022-01-20
- 7.1.0 — 2022-01-14
- 7.0.1 — 2022-01-11
- 7.0.0 — 2022-01-11

## README

# zcap _(@digitalbazaar/zcap)_

[![Build status](https://img.shields.io/github/actions/workflow/status/digitalbazaar/zcap/main.yml?branch=main)](https://github.com/digitalbazaar/zcap/actions?query=workflow%3A%22Node.js+CI%22)
[![Coverage status](https://img.shields.io/codecov/c/github/digitalbazaar/zcap)](https://codecov.io/gh/digitalbazaar/zcap)
[![NPM Version](https://img.shields.io/npm/v/@digitalbazaar/zcap.svg)](https://npm.im/@digitalbazaar/zcap)

> JavaScript reference implementation for
[Authorization Capabilities](https://w3c-ccg.github.io/zcap-spec/).

## Table of Contents

- [Background](#background)
- [Security](#security)
- [Install](#install)
- [Usage](#usage)
- [Contribute](#contribute)
- [Commercial Support](#commercial-support)
- [License](#license)

## Background

TODO

## Security

TBD

## Install

- Browsers and Node.js 14+ are supported.

To install from NPM:

```sh
npm install @digitalbazaar/zcap
```

To install locally (for development):

```sh
git clone https://github.com/digitalbazaar/zcap.git
cd zcap
npm install
```

## Usage

TBD

## Contribute

See [the contribute file](https://github.com/digitalbazaar/bedrock/blob/master/CONTRIBUTING.md)!

PRs accepted.

If editing the Readme, please conform to the
[standard-readme](https://github.com/RichardLitt/standard-readme) specification.

## Commercial Support

Commercial support for this library is available upon request from
Digital Bazaar: support@digitalbazaar.com

## License

[New BSD License (3-clause)](LICENSE) © Digital Bazaar

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