A Stimulus controller to toggle a class on one or multiple items to show or hide them.

A modest JavaScript framework for the HTML you already have.

Manages user-configurable settings for MetaMask

Core classes and controller for creating parallax scrolling effects

Workspace Remote commands and reconnect-safe state transport

Background job registry (ctx.jobs) for the DeepSeek Harness — shared ids, owner isolation, polling, cancellation, and completion listeners for long-running tool work

Polling Controller is the base for controllers that polling by networkClientId

Manages configuration registry for MetaMask

Manages a list of recipient addresses associated with nicknames

Tracks assets balances/prices and handles token detection across all digital assets

Multichain network controller

ConnectivityController stores the device's internet connectivity status

A controller for managing cryptocurrency on/off ramps functionality

Stores identities seen in the wallet and manages interactions such as signing

Backup and rehydrate SRP(s) using social login and password

The profile sync helps developers synchronize data across multiple clients and devices in a privacy-preserving way. All data saved in the user storage database is encrypted client-side to preserve privacy. The user storage provides a modular design, givin

Periodically calculates gas fee estimates based on various gas limits as well as other data displayed on transaction confirm screens

Provides an interface to the currently selected network via a MetaMask-compatible provider object

Stores transactions alongside their periodically updated statuses and manages interactions such as approval and cancellation

Controller handling shield transaction coverage logic