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.

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metamask-extension metamask-extension Public

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

TypeScript 13.3k 5.6k
metamask-mobile metamask-mobile Public

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

TypeScript 3.1k 1.7k
metamask-docs metamask-docs Public

Developer documentation for MetaMask

MDX 871 2.1k
metamask-sdk metamask-sdk Public

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

TypeScript 344 260
snaps snaps Public

Extend the functionality of MetaMask using Snaps

TypeScript 859 660
core core Public

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

TypeScript 419 311

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Showing 10 of 636 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 3,098 1,701 1,398 (25 issues need help) 612 Updated Nov 12, 2026
metamask-extension Public
🌐 🔌 The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

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

TypeScript 13,255 5,610 2,354 (1 issue needs help) 564 Updated Nov 12, 2026
eth-phishing-detect Public
Utility for detecting phishing domains targeting Web3 users

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

TypeScript 1,350 1,130 15 7 Updated Nov 12, 2026
core Public
This monorepo is a collection of packages used across multiple MetaMask clients

MetaMask/core's past year of commit activity

TypeScript 419 MIT 311 319 410 Updated Nov 12, 2026
mobile_bundlesize_stats Public
Measuring mobile bundle size over time

MetaMask/mobile_bundlesize_stats's past year of commit activity

JavaScript 10 6 0 1 Updated Nov 12, 2026
release-tools Public
This monorepo is a collection of tools used for releasing packages

MetaMask/release-tools's past year of commit activity

TypeScript 0 2 56 8 Updated Nov 12, 2026
snap-institutional-wallet Public
Institutional wallets in MetaMask

MetaMask/snap-institutional-wallet's past year of commit activity

TypeScript 4 Apache-2.0 5 0 2 Updated Nov 12, 2026
device-mcp Public
MCP server for mobile device interaction — iOS, Android, and BrowserStack. Inspect UI, tap elements, capture screenshots, and control apps from AI agents.

MetaMask/device-mcp's past year of commit activity

TypeScript 5 1 1 4 Updated Nov 12, 2026
extension_bundlesize_stats Public
Measuring extension bundle size over time

MetaMask/extension_bundlesize_stats's past year of commit activity

HTML 12 11 3 3 Updated Nov 12, 2026
metamask-storybook Public
The Storybook for the MetaMask extension

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

TypeScript 36 36 0 0 Updated Nov 12, 2026

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metamask ethereum cryptocurrency web3 blockchain