MetaMask

A simple dapp used in MetaMask e2e tests.

A JavaScript library for composing Ethereum provider objects using middleware modules

A few useful functions for signing ethereum data

A collection of AI-related controllers

Collection of platform-agnostic modules for creating secure data models for cryptocurrency wallets

MetaMask SDK Install Modal for Web

Ethereum-related json-rpc-engine middleware.

A tool for processing JSON-RPC messages.

Assists with onboarding new MetaMask users

A block tracker for the Ethereum blockchain. Keeps track of the latest block.

A simple browserifiable module for password-encrypting JS objects.

Jazzy deterministic identicons for a more entertaining future

A registry containing metadata about verified and blocked Snaps.

Various JavaScript/TypeScript utilities of wide relevance to the MetaMask codebase

This repository contains the OpenRPC specification for MetaMask's Wallet JSON-RPC API. You can view the specs in the following formats:

The JavaScript injected into every web page in the MetaMask Mobile browser.

`ObservableStore` is a synchronous in-memory store for a single value, that you can subscribe to updates for.

[json-rpc-engine](https://github.com/MetaMask/json-rpc-engine) middleware implementing ethereum filter methods. Backed by an [eth-block-tracker](https://github.com/MetaMask/eth-block-tracker) and web3 provider interface (`web3.currentProvider`).

A module for creating a node style stream over a WebExtension port object.

An EventEmitter that isolates the emitter from errors in handlers

Simple stream multiplexing for objectMode.

A small toolset for streaming JSON-RPC data and matching requests and responses.

The MetaMask Node module for smart contracts ABIs.

Shareable MetaMask ESLint config for Jest.

This module has code to integrate Blockaid PPOM with MetaMask

An interactive command-line tool to prepare a release branch by automatically bumping versions and updating changelogs for desired packages. Works for both polyrepos and monorepos.

React Native WebView component for iOS, Android, macOS, and Windows

Snaps keyring bridge.

MetaMask fork of @scure/bip39: a secure, audited & minimal implementation of BIP39 mnemonic phrases

Utilities for MetaMask's GitHub Actions.

utility to parse bower and npm packages used in a project and generate an attribution file to include in your product

An ESLint plugin designed to enforce best practices and consistency for using MetaMask design tokens across various projects

like web3 but for minimalists

A super simple module for querying the Ethereum RPC layer without formatting.

Check license info for a package

A button for React apps

> This project is currently in __beta and APIs are subject to change.__

A React Native module that allows to perform the Spotlight integration on iOS

A simple Http provider that follows the web3 spec.

A simple query layer for the Ethereum RPC.

A simple module for handling Ethereum units (e.g. 'ether', 'wei', etc...)

A simple set of Ethereum JS utilities.

Cross platform ActionSheet. This component implements a custom ActionSheet and provides the same way to drawing it on the defferent platforms(iOS and Android). Actually, In order to keep the best effect, it still uses the ActionSheetIOS on iOS.

A mapping of ethereum contract addresses to broadly accepted icons for those addresses.

A library for generating etherscan links.

A module for writing cross-browser extensions.

Forwarding page for one-click onboarding

MetaMask's legacy window.web3.

React Native Local and Remote Notifications

A module for managing various keyrings of Ethereum accounts, encrypting them, and using them

Lightweight utilities for encoding and decoding Solidity ABI

MetaMask Account API

Utilities for validating and updating "Keep a Changelog" formatted changelogs

Analytics package for MetaMask Connect

Minimal utilties to make working with the delegation framework easier

A MetaMask Snap used for Ethereum Name Service (ENS) resolution

json-rpc-engine middleware for Infura's endpoints

A MetaMask compatible keyring, for ledger hardware wallets

A MetaMask compatible keyring, for trezor hardware wallets

MetaMask Keyring API

Provide automatic message signing (no user interaction) using a pseudo randomly generated private key

Design System twrnc Preset

Functions and classes needed to work with MetaMask Desktop

MetaMask Multichain Api Client

React Native Utils for MetaMask. This project is under development and that individuals should use it at their own risk.

Transaction nonce calculation used in MetaMask.

Ocap Kernel storage abstractions and implementations

A page to warn users about a suspected phishing site.

A JavaScript Ethereum provider that connects to the wallet over a stream

Google ACM for react-native

A simple mapping between slip44 IDs and their network metadata.

Improves success rates for swaps by trialing transactions privately and finding minimum fees

Grants 7715 permissions from a DeleGator smart account

A Bitcoin wallet Snap.

A Solana wallet Snap.

A Tron wallet Snap.

MetaMask example snap demonstrating the use of `snap_dialog`.

The MetaMask Solana wallet-standard implementation

The MetaMask Stake SDK

A simple and composable way to validate data in JavaScript (and TypeScript).

Tools for creating `Proxy`s around objects that are swappable via setTarget

MetaMask Swaps controller module

An EIP-4337 bundler to be used in client E2E tests

A test dapp for multichain api

A test dapp for solana

A test dapp for tron

The MetaMask Node module template

A library for categorizing and labeling blockchain transactions

A history of deployments of the Delegation Framework

Keep an eye on Ethereum accounts right in MetaMask