# @metaplex-foundation/umi

> A JS framework for Solana clients defining core interfaces

Latest version **1.6.0** (published 2026-09-17) · MIT license · 0 weekly downloads

## Install

```sh
npm install @metaplex-foundation/umi
pnpm add @metaplex-foundation/umi
yarn add @metaplex-foundation/umi
bun add @metaplex-foundation/umi
```

## 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 | 1.6.0 |
| Published | 2026-09-17 |
| First published | 2023-02-10 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | bundled |
| Module format | ESM + CommonJS |
| Dependencies | 3 |
| Unpacked size | 941.6 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 242 |
| Author | Metaplex Maintainers |
| Maintainers | danenbm1, nhanphan, brandontulsi, svc01-metaplex, danenbm, blockiosaurus |

## Links

- npm: https://www.npmjs.com/package/@metaplex-foundation/umi
- Repository: https://github.com/metaplex-foundation/umi
- Homepage: https://metaplex.com
- Issues: https://github.com/metaplex-foundation/umi/issues
- npm.io page: https://npm.io/package/@metaplex-foundation/umi

## Dependencies (3)

- [@metaplex-foundation/umi-options](https://npm.io/package/@metaplex-foundation/umi-options.md) ^1.6.0
- [@metaplex-foundation/umi-public-keys](https://npm.io/package/@metaplex-foundation/umi-public-keys.md) ^1.6.0
- [@metaplex-foundation/umi-serializers](https://npm.io/package/@metaplex-foundation/umi-serializers.md) ^1.6.0

## Recent versions

- 1.6.0 (latest) — 2026-09-17
- 0.8.2-rc.1 (rc) — 2023-06-19
- 1.5.1 — 2026-02-10
- 1.4.1 — 2025-09-01
- 1.4.0 — 2025-08-29
- 1.3.0 — 2025-08-28
- 1.2.0 — 2025-04-15
- 1.1.1 — 2025-02-26
- 1.1.0 — 2025-02-26
- 1.0.0 — 2025-01-08
- 0.9.2 — 2024-06-12
- 0.9.1 — 2024-01-31
- 0.9.0 — 2024-01-09
- 0.8.10 — 2023-11-06
- 0.8.9 — 2023-08-31
- … 40 more at https://npm.io/package/@metaplex-foundation/umi/versions

## README

# umi

_A Solana Framework for JavaScript clients._

See the [main documentation](https://github.com/metaplex-foundation/umi#readme) for more information.

Just want to mint NFTs? Go straight to the [Token Metadata JS docs](https://developers.metaplex.com/token-metadata/getting-started/js).

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