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MetaMask

MetaMask brings Ethereum to your web browser

Verified
We've verified that the organization MetaMask controls the domain:
- metamask.io
Learn more about verified organizations

4k followers
Ethereum Blockchain
https://metamask.io
@metamask
hello@metamask.io

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Overview
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README.md

MetaMask

The web3 crypto wallet and browser extension!

If you want to report a security issue, please submit it securely on our HackerOne bounty program.

You can find the code for our various products and components in this org.

For general information, visit metamask.io.

Pinned Loading

metamask-extension metamask-extension Public

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

TypeScript 12.6k 5.2k
metamask-mobile metamask-mobile Public

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

TypeScript 2.4k 1.3k
metamask-docs metamask-docs Public

Developer documentation for MetaMask

MDX 738 1.3k
metamask-sdk metamask-sdk Public

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

TypeScript 256 172
snaps snaps Public

Extend the functionality of MetaMask using Snaps

TypeScript 776 591
core core Public

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

TypeScript 341 232

Repositories

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Showing 10 of 319 repositories

metamask-mobile Public
Mobile web browser providing access to websites that use the Ethereum blockchain

MetaMask/metamask-mobile’s past year of commit activity

TypeScript 2,445 1,271 1,145 (26 issues need help) 224 Updated Jun 15, 2025
metamask-extension Public
🌐 🔌 The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

MetaMask/metamask-extension’s past year of commit activity

TypeScript 12,609 5,204 2,124 (15 issues need help) 295 Updated Jun 15, 2025
eth-phishing-detect Public
Utility for detecting phishing domains targeting Web3 users

MetaMask/eth-phishing-detect’s past year of commit activity

TypeScript 1,181 991 5 3 Updated Jun 15, 2025
snap-bitcoin-wallet Public
Bitcoin Wallet Snap

MetaMask/snap-bitcoin-wallet’s past year of commit activity

TypeScript 4 Apache-2.0 1 0 2 Updated Jun 15, 2025
core Public
This monorepo is a collection of packages used across multiple MetaMask clients

MetaMask/core’s past year of commit activity

TypeScript 341 MIT 232 235 147 Updated Jun 14, 2025
extension_bundlesize_stats Public
Measuring extension bundle size over time

MetaMask/extension_bundlesize_stats’s past year of commit activity

HTML 8 8 3 2 Updated Jun 14, 2025
metamask-storybook Public
The Storybook for the MetaMask extension

MetaMask/metamask-storybook’s past year of commit activity

TypeScript 29 35 0 0 Updated Jun 14, 2025
metamask-docs Public
Developer documentation for MetaMask

MetaMask/metamask-docs’s past year of commit activity

MDX 738 Apache-2.0 1,267 27 18 Updated Jun 14, 2025
mobile_bundlesize_stats Public
Measuring mobile bundle size over time

MetaMask/mobile_bundlesize_stats’s past year of commit activity

JavaScript 4 4 0 2 Updated Jun 13, 2025
delegation-framework Public
The contracts that power the Delegation Framework

MetaMask/delegation-framework’s past year of commit activity

Solidity 119 Apache-2.0 54 4 19 Updated Jun 13, 2025

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