# @aztec/protocol-contracts

> Canonical Noir contracts for the Aztec Network

Latest version **5.2.0** (published 2026-08-17) · 0 weekly downloads

## Install

```sh
npm install @aztec/protocol-contracts
pnpm add @aztec/protocol-contracts
yarn add @aztec/protocol-contracts
bun add @aztec/protocol-contracts
```

## Health

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

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

Warnings: low downloads; no types.

## Facts

| | |
|---|---|
| Version | 5.2.0 |
| Published | 2026-08-17 |
| First published | 2024-02-07 |
| Weekly downloads | 0 |
| TypeScript types | none |
| Module format | ESM |
| Node | >=20.10 |
| Dependencies | 6 |
| Unpacked size | 2.4 MB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Maintainers | zac-williamson, leilawang, charlielye, jaosef, joss-aztecprotocol, ludamad |

## Links

- npm: https://www.npmjs.com/package/@aztec/protocol-contracts
- Homepage: https://github.com/AztecProtocol/aztec-packages/tree/master/yarn-project/protocol-contracts
- npm.io page: https://npm.io/package/@aztec/protocol-contracts

## Dependencies (6)

- [tslib](https://npm.io/package/tslib.md) ^2.4.0
- [lodash.omit](https://npm.io/package/lodash.omit.md) ^4.5.0
- [lodash.chunk](https://npm.io/package/lodash.chunk.md) ^4.2.0
- [@aztec/stdlib](https://npm.io/package/@aztec/stdlib.md) 5.2.0
- [@aztec/constants](https://npm.io/package/@aztec/constants.md) 5.2.0
- [@aztec/foundation](https://npm.io/package/@aztec/foundation.md) 5.2.0

## Recent versions

- 5.2.0 (latest) — 2026-08-17
- 5.3.0-nightly.20260920 (prerelease) — 2026-09-20
- 0.0.1-dev (dev) — 2026-06-26
- 4.4.0-nightly.20260618 (nightly) — 2026-06-18
- 4.3.0-rc.1 (rc) — 2026-05-15
- 0.0.1-commit.fff30aa (commit) — 2026-04-17
- 4.0.0-devnet.4-patch.0 (devnet) — 2026-04-06
- 4.2.0-aztecnr-rc.2 (aztecnr-rc) — 2026-03-26
- 5.0.0-private.20260319 (private) — 2026-03-19
- 5.0.0-patched.20260318 (patched) — 2026-03-18
- 4.0.0-spartan.20260218 (spartan) — 2026-02-18
- 2.0.3-zkpassport (zkpassport) — 2025-12-03
- 3.0.0-manual.20251030 (manual) — 2025-10-30
- 0.0.1-fake-ceab37513c (fake-ceab37513c) — 2025-10-30
- 0.0.1-fake-c83136db25 (fake-c83136db25) — 2025-10-30
- … 1239 more at https://npm.io/package/@aztec/protocol-contracts/versions

## README

# Protocol Contracts

Noir contract artifacts used to power the Aztec Network protocol, along with their canonical deployment information.

Includes:
- Contract class registry
- Contract instance registry

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