# @metamask/eth-json-rpc-provider

> Create an Ethereum provider using a JSON-RPC engine or middleware

Latest version **7.0.0** (published 2026-09-09) · ISC license · 0 weekly downloads

## Install

```sh
npm install @metamask/eth-json-rpc-provider
pnpm add @metamask/eth-json-rpc-provider
yarn add @metamask/eth-json-rpc-provider
bun add @metamask/eth-json-rpc-provider
```

## Health

**Score 65/100 (B)** — status: active.

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

Warnings: low downloads; no types.

## Facts

| | |
|---|---|
| Version | 7.0.0 |
| Published | 2026-09-09 |
| First published | 2023-02-10 |
| Weekly downloads | 0 |
| License | ISC |
| TypeScript types | none |
| Module format | ESM |
| Node | ^22.14.0 \|\| ^24 |
| Dependencies | 6 |
| Unpacked size | 69.4 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 414 |
| Maintainers | frederikbolding, metamaskbot, gudahtt, mrten, mcmire, naugtur |
| Keywords | Ethereum, MetaMask |

## Links

- npm: https://www.npmjs.com/package/@metamask/eth-json-rpc-provider
- Repository: https://github.com/MetaMask/core
- Homepage: https://github.com/MetaMask/core/tree/main/packages/eth-json-rpc-provider#readme
- Issues: https://github.com/MetaMask/core/issues
- npm.io page: https://npm.io/package/@metamask/eth-json-rpc-provider

## Dependencies (6)

- [nanoid](https://npm.io/package/nanoid.md) ^3.3.8
- [lodash-es](https://npm.io/package/lodash-es.md) ^4.17.21
- [@types/lodash](https://npm.io/package/@types/lodash.md) ^4.14.191
- [@metamask/utils](https://npm.io/package/@metamask/utils.md) ^11.12.0
- [@metamask/rpc-errors](https://npm.io/package/@metamask/rpc-errors.md) ^7.0.2
- [@metamask/json-rpc-engine](https://npm.io/package/@metamask/json-rpc-engine.md) ^11.0.0

## Recent versions

- 7.0.0 (latest) — 2026-09-09
- 6.0.1 — 2026-03-26
- 6.0.0 — 2025-11-20
- 5.0.1 — 2025-10-09
- 5.0.0 — 2025-09-22
- 4.1.8 — 2025-02-04
- 4.1.7 — 2024-12-19
- 4.1.6 — 2024-10-29
- 4.1.5 — 2024-10-16
- 4.1.4 — 2024-09-16
- 4.1.3 — 2024-08-14
- 4.1.2 — 2024-07-26
- 4.1.1 — 2024-07-12
- 4.1.0 — 2024-07-10
- 4.0.0 — 2024-05-31
- … 11 more at https://npm.io/package/@metamask/eth-json-rpc-provider/versions

## README

# eth-json-rpc-provider

This package provides functions for creating an Ethereum provider from a [JSON-RPC engine](https://github.com/MetaMask/json-rpc-engine), or from middleware compatible with JSON-RPC engine.

## Installation

`yarn add @metamask/eth-json-rpc-provider`

or

`npm install @metamask/eth-json-rpc-provider`

## Contributing

This package is part of a monorepo. Instructions for contributing can be found in the [monorepo README](https://github.com/MetaMask/core#readme).

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_Source: https://npm.io/package/@metamask/eth-json-rpc-provider · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._