# @metamask/base-controller

> Provides scaffolding for controllers as well a communication system for all controllers

Latest version **10.0.0** (published 2026-09-09) · MIT license · 0 weekly downloads

## Install

```sh
npm install @metamask/base-controller
pnpm add @metamask/base-controller
yarn add @metamask/base-controller
bun add @metamask/base-controller
```

## 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 | 10.0.0 |
| Published | 2026-09-09 |
| First published | 2022-11-22 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | ESM |
| Node | ^22.14.0 \|\| ^24 |
| Dependencies | 3 |
| Unpacked size | 75.9 KB |
| Known vulnerabilities | 0 |
| Install scripts | no |
| Provenance | attested (GitHub Actions) |
| GitHub stars | 413 |
| Maintainers | frederikbolding, metamaskbot, gudahtt, mrten, mcmire, naugtur |
| Keywords | Ethereum, MetaMask |

## Links

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

## Dependencies (3)

- [immer](https://npm.io/package/immer.md) ^9.0.6
- [@metamask/utils](https://npm.io/package/@metamask/utils.md) ^11.12.0
- [@metamask/messenger](https://npm.io/package/@metamask/messenger.md) ^3.0.0

## Recent versions

- 10.0.0 (latest) — 2026-09-09
- 9.1.0 — 2026-04-14
- 9.0.1 — 2026-03-26
- 9.0.0 — 2025-10-27
- 8.4.2 — 2025-10-22
- 8.4.1 — 2025-10-09
- 8.4.0 — 2025-09-16
- 8.3.0 — 2025-09-04
- 8.2.0 — 2025-08-21
- 8.1.0 — 2025-08-11
- 8.0.1 — 2025-04-29
- 8.0.0 — 2025-02-11
- 7.1.1 — 2025-01-13
- 7.1.0 — 2024-12-18
- 7.0.2 — 2024-10-29
- … 24 more at https://npm.io/package/@metamask/base-controller/versions

## README

# `@metamask/base-controller`

Provides scaffolding for controllers as well a communication system for all controllers.

## Installation

`yarn add @metamask/base-controller`

or

`npm install @metamask/base-controller`

## 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/base-controller · Machine-readable twin of the npm.io package page. Health data is recomputed on every publish._