# @metamask/polling-controller

> Polling Controller is the base for controllers that polling by networkClientId

Latest version **17.0.0** (published 2026-09-09) · MIT license · 0 weekly downloads

## Install

```sh
npm install @metamask/polling-controller
pnpm add @metamask/polling-controller
yarn add @metamask/polling-controller
bun add @metamask/polling-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 | 17.0.0 |
| Published | 2026-09-09 |
| First published | 2023-09-29 |
| Weekly downloads | 0 |
| License | MIT |
| TypeScript types | none |
| Module format | ESM |
| Node | ^22.14.0 \|\| ^24 |
| Dependencies | 5 |
| Unpacked size | 54.4 KB |
| Known vulnerabilities | 0 (+1 in 1 direct dependencies) |
| 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/polling-controller
- Repository: https://github.com/MetaMask/core
- Homepage: https://github.com/MetaMask/core/tree/main/packages/polling-controller#readme
- Issues: https://github.com/MetaMask/core/issues
- npm.io page: https://npm.io/package/@metamask/polling-controller

## Dependencies (5)

- [uuid](https://npm.io/package/uuid.md) ^8.3.2
- [@types/uuid](https://npm.io/package/@types/uuid.md) ^8.3.0
- [@metamask/utils](https://npm.io/package/@metamask/utils.md) ^11.12.0
- [@metamask/base-controller](https://npm.io/package/@metamask/base-controller.md) ^10.0.0
- [fast-json-stable-stringify](https://npm.io/package/fast-json-stable-stringify.md) ^2.1.0

## Recent versions

- 17.0.0 (latest) — 2026-09-09
- 16.0.9 — 2026-07-31
- 16.0.8 — 2026-07-01
- 16.0.7 — 2026-06-22
- 16.0.6 — 2026-05-15
- 16.0.5 — 2026-05-11
- 16.0.4 — 2026-03-26
- 16.0.3 — 2026-02-19
- 16.0.2 — 2026-01-15
- 16.0.1 — 2026-01-13
- 16.0.0 — 2025-11-20
- 15.0.0 — 2025-10-27
- 14.0.2 — 2025-10-24
- 14.0.1 — 2025-10-09
- 14.0.0 — 2025-06-18
- … 26 more at https://npm.io/package/@metamask/polling-controller/versions

## README

# `@metamask/polling-controller`

PollingController is used as the base for all controllers that need to poll for updates based on `networkClientId`.

## Installation

`yarn add @metamask/polling-controller`

or

`npm install @metamask/polling-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).

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