Discover MetaMask/snaps Open Source project by @MetaMask

1

metamask-extension

🌐 🔌 The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

JavaScript

10,758

2

metamask-mobile

Mobile web browser providing access to websites that use the Ethereum blockchain

JavaScript

1,625

3

eth-phishing-detect

Utility for detecting phishing domains targeting Web3 users

TypeScript

1,091

4

metamask-docs

Developer documentation for MetaMask

MDX

660

5

web3-provider-engine

A JavaScript library for composing Ethereum provider objects using middleware modules

JavaScript

585

6

faq

MetaMask FAQ and Guides

538

7

eth-sig-util

A collection of functions for signing and verifying data with Ethereum keys.

TypeScript

537

8

test-dapp

The sample dapp used for e2e testing and metamask-extension QA

JavaScript

456

9

contract-metadata

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

JavaScript

440

10

detect-provider

A tiny utility for detecting the MetaMask Ethereum Provider, or any Provider compliant with EIP-1193.

JavaScript

231

11

logo

A 3d take on the metamask logo, in browser, as a browserifyable module.

JavaScript

214

12

KeyringController

A module for managing groups of Ethereum accounts and using them.

TypeScript

183

13

metamask-sdk

The simplest yet most secure way to connect your blockchain-based applications to millions of MetaMask Wallet users.

TypeScript

181

14

mascara

(beta) Add MetaMask to your dapp even if the user doesn't have the extension installed

JavaScript

173

15

core

This monorepo is a collection of packages used across multiple MetaMask clients

TypeScript

172

16

providers

An Ethereum Provider that connects over a stream, as injected into websites by MetaMask

TypeScript

161

17

eth-json-rpc-middleware

Ethereum middleware for composing an Ethereum provider using json-rpc-engine. Intended to replace provider-engine

TypeScript

153

18

vault-decryptor

A web app for decrypting MetaMask vault data.

JavaScript

147

19

metamask-snaps-beta

Fork of MetaMask that supports plugins! Read the Wiki!

JavaScript

143

20

metamask-onboarding

A library to help onboard new MetaMask users

TypeScript

142

21

dapps

home.metamask.io website

JavaScript

135

22

eth-block-tracker

A JS module for keeping track of the latest Ethereum block by polling an ethereum provider

TypeScript

129

23

Add-Token

A simple web3 dapp that allows suggesting a token to users of compatible wallets like MetaMask.

JavaScript

127

24

json-rpc-engine

A tool for processing JSON RPC

TypeScript

125

25

template-snap-monorepo

TypeScript

113

26

eth-simple-keyring

A simple standard interface for a series of Ethereum private keys

TypeScript

113

27

legacy-web3-extension

An extension that adds MetaMask's legacy web3 API to your browser.

JavaScript

92

28

rpc-errors

Ethereum RPC Errors

TypeScript

90

29

browser-passworder

A simple browserifiable module for encrypting and decrypting JSON-serializable objects with a password.

TypeScript

86

30

eth-hd-keyring

A simple standard interface for an HD ethereum wallet.

TypeScript

81

31

eth-faucet

MetaMask's test faucet

JavaScript

71

32

eth-token-tracker

A JS module for tracking Ethereum token balances over block changes

JavaScript

71

33

extensionizer

A JS module for writing cross-browser extensions

JavaScript

66

34

eth-ledger-bridge-keyring

A wrapper around LedgerJS libraries, to support the KeyringController protocol used by MetaMask

TypeScript

66

35

post-message-stream

Sets up a duplex object stream over window.postMessage

TypeScript

51

36

template-snap

The official MetaMask Snaps template repository.

JavaScript

47

37

eth-json-rpc-infura

json-rpc-engine middleware for Infura's endpoints

TypeScript

47

38

extension-provider

A module for allowing a WebExtension to access the web3 provider from an installed MetaMask instance

JavaScript

46

39

metamask-android-sdk

MetaMask SDK for Android

Kotlin

44

40

TipButton

A set of tip button images for use with MetaMask

HTML

41

IPFS-Ethereum-Hackathon

Repo for hackathon submissions

40

42

metamask-ios-sdk

MetaMask SDK for iOS

Swift

39

43

website

The MetaMask website

JavaScript

39

44

brand-resources

MetaMask logo assets and brand guidelines

39

45

nonce-tracker

JavaScript

37

46

SIPs

Snaps Improvement Proposals

HTML

37

47

eth-trezor-keyring

A JS wrapper around Trezor Connect libraries, to support the KeyringController protocol used by MetaMask

TypeScript

37

48

snaps-cli

A CLI for developing MetaMask plugins.

TypeScript

36

49

Nextjs-Starter

TypeScript

35

50

key-tree

TypeScript

33

51

delegation-framework

The contracts that power the Delegation Framework

Solidity

33

52

mobile-provider

An Ethereum provider, as injected into websites by MetaMask Mobile

JavaScript

32

53

utils

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

TypeScript

30

54

rpc-cap

A module for adding an object-capabilities system to any JSON-RPC API as middleware for json-rpc-engine

JavaScript

30

55

api-specs

JavaScript

29

56

eth-json-rpc-filters

json-rpc-engine middleware implementing ethereum filter methods

JavaScript

29

57

etherscan-link

A library for generating Etherscan links

JavaScript

28

58

design-tokens

Design tokens to be used throughout MetaMask products

TypeScript

28

59

snaps-registry

A registry containing metadata about verified and blocked Snaps.

TypeScript

28

60

React-MetaMask-Login-Button

JavaScript

27

61

hd-seed-phrase-guesser

A tool for recovering ethereum accounts from mis-recorded seed phrases.

JavaScript

25

62

obs-store

A synchronous in-memory store for a single value

JavaScript

25

63

react-dapp-tutorial

Source code for the MetaMask Documentation's Dapp Tutorial using Vite + React

CSS

25

64

metamask-module-template

A simple template repository for starting new modules in the latest MetaMask fashion.

JavaScript

24

65

metamask-filecoin-developer-beta

The MetaMask Filecoin Developer Preview.

JavaScript

23

66

nft-tickets-workshop

React Dapp for selling ERC-721 NFT tickets

JavaScript

23

67

metamask-deeplinks

Simple web app to generate Metamask deeplinks on the fly

JavaScript

23

68

abi-utils

Lightweight utilities for encoding and decoding Solidity ABI

TypeScript

22

69

mesh-testing

Testbed for p2p metamask client

JavaScript

22

70

metamask-storybook

The Storybook for the MetaMask extension

JavaScript

20

71

test-snaps

TypeScript

20

72

metamask-improvement-proposals

A public space to discuss, evaluate, and implement improvements to the MetaMask Wallet API

19

73

eth-ipfs-browser-client

Ethereum browser client based on ipfs/libp2p

19

74

vite-react-ts-eip-6963

Discover Multi Injected Providers with EIP-6963 in a ViteJS using React + TypeScript

TypeScript

19

75

keyring-api

TypeScript

18

76

.github

MetaMask default GitHub community health files

18

77

eth-method-registry

A JS library for getting Solidity method data from a four-byte method signature

JavaScript

18

78

snap-simple-keyring

TypeScript

17

79

extension-port-stream

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

TypeScript

17

80

contributor-docs

Guides, best practices, and everything needed to contribute to MetaMask repositories effectively.

JavaScript

17

81

mm-docs-v2

MetaMask developer documentation v2

JavaScript

15

82

snap-box

A box to start creating a snap with truffle

TypeScript

15

83

safe-event-emitter

An EventEmitter that isolates the emitter from errors in handlers

TypeScript

15

84

eth-gas-price-suggestor

A module for advising default gas prices, by analyzing recent successful transactions.

JavaScript

15

85

phishing-warning

A page to warn users about a suspected phishing site.

TypeScript

15

86

snaps-directory

Explore community-built Snaps to customize your web3 experience via our official directory.

TypeScript

14

87

Eth-Token-Sender

A simple single-page app for viewing an Ethereum token's balance and sending it.

JavaScript

14

88

legacy-web3

MetaMask's legacy window.web3

JavaScript

14

89

examples

A collection of examples and useful guides on how we think MetaMask can be used.

TypeScript

13

90

web3-dubai-mm-workshop

TypeScript

13

91

snaps-simulator

A hackathon project by @eriknson, @FrederikBolding, and @Mrtenz

TypeScript

12

92

menpo

DeFi Incident Database

JavaScript

12

93

zero-client

MetaMask ZeroClient and backing iframe service

JavaScript

12

94

action-publish-release

TypeScript

12

95

action-create-release-pr

TypeScript

11

96

smart-transactions-controller

TypeScript

11

97

metamask-desktop

🖥️ The MetaMask Desktop app is a companion app that improves the overall performance of the MetaMask Extension Flask build

TypeScript

11

98

metamask-eth-abis

Collection of smart contracts ABIs

TypeScript

10

99

object-multiplex

Simple stream multiplexing for objectMode.

TypeScript

10

100

react-sdk-linea-workshop

MetaMask SDK + Linea (Vite + React & TypeScript Workshop)

TypeScript

10

MetaMask/snaps

MetaMask

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MetaMask Snaps

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