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    618 repositories

    • core

      Public
      This monorepo is a collection of packages used across multiple MetaMask clients
      TypeScript
      •
      MIT License
      •277•395•298•258•Updated Apr 21, 2026Apr 21, 2026

    • metamask-extension

      Public
      :globe_with_meridians: :electric_plug: The MetaMask browser extension enables browsing Ethereum blockchain enabled websites
      firefoxchromeextension
      firefoxchromeextensionoperaethereumdappedgebravedapp-developers
      TypeScript
      •
      Other
      •5.5k•13k•2.2k•450•Updated Apr 21, 2026Apr 21, 2026

    • eth-phishing-detect

      Public
      Utility for detecting phishing domains targeting Web3 users
      TypeScript
      •
      Other
      •1.1k•1.3k•21•5•Updated Apr 21, 2026Apr 21, 2026

    • accounts

      Public
      Monorepo for MetaMask's account-related packages
      TypeScript
      •11•24•0•12•Updated Apr 21, 2026Apr 21, 2026

    • metamask-mobile

      Public
      Mobile web browser providing access to websites that use the Ethereum blockchain
      javascriptandroidios
      javascriptandroidiosreact-nativeweb3metamaskdapps-browser
      TypeScript
      •
      Other
      •1.6k•2.9k•1.3k•441•Updated Apr 21, 2026Apr 21, 2026

    • snap-bitcoin-wallet

      Public
      Bitcoin Wallet Snap
      TypeScript
      •
      Apache License 2.0
      •12•17•4•11•Updated Apr 21, 2026Apr 21, 2026

    • mobile_bundlesize_stats

      Public
      Measuring mobile bundle size over time
      JavaScript
      •5•9•0•1•Updated Apr 21, 2026Apr 21, 2026

    • snaps-directory

      Public
      Explore community-built Snaps to customize your web3 experience via our official directory.
      TypeScript
      •18•21•10•12•Updated Apr 21, 2026Apr 21, 2026

    • metamask-docs

      Public
      Developer documentation for MetaMask
      documentationethereumblockchain
      documentationethereumblockchaincryptocurrencymetamask
      MDX
      •
      Apache License 2.0
      •1.9k•834•30•19•Updated Apr 21, 2026Apr 21, 2026

    • extension_bundlesize_stats

      Public
      Measuring extension bundle size over time
      HTML
      •10•10•3•3•Updated Apr 20, 2026Apr 20, 2026

    • metamask-storybook

      Public
      The Storybook for the MetaMask extension
      TypeScript
      •34•35•0•0•Updated Apr 20, 2026Apr 20, 2026

    • metamask-design-system

      Public
      The design system for MetaMask products
      TypeScript
      •8•30•162•34•Updated Apr 20, 2026Apr 20, 2026

    • connect-monorepo

      Public
      The simplest yet most secure way to connect your blockchain-based applications to millions of MetaMask Wallet users.
      TypeScript
      •
      Other
      •3•2•4•15•Updated Apr 20, 2026Apr 20, 2026

    • design-system-metrics

      Public
      A node.js script to track component adoption metrics
      JavaScript
      •1•1•1•1•Updated Apr 20, 2026Apr 20, 2026

    • ocap-kernel

      Public
      The MetaMask Ocap Kernel monorepo.
      TypeScript
      •
      Apache License 2.0
      •5•7•29•6•Updated Apr 20, 2026Apr 20, 2026

    • tx-categorize

      Public
      TypeScript
      •1•1•0•2•Updated Apr 20, 2026Apr 20, 2026

    • action-checkout-and-setup

      Public
      Set up a Node.js environment with a reusable GitHub Action
      Shell
      •3•4•0•6•Updated Apr 20, 2026Apr 20, 2026

    • contributor-docs

      Public
      Guides, best practices, and everything needed to contribute to MetaMask repositories effectively.
      JavaScript
      •
      MIT License
      •37•80•34•13•Updated Apr 20, 2026Apr 20, 2026

    • metamask-extension-ts-migration-dashboard

      Public
      A dashboard for tracking the TypeScript migration of the extension.
      JavaScript
      •7•7•0•1•Updated Apr 20, 2026Apr 20, 2026

    • eth-sig-util

      Public
      A collection of functions for signing and verifying data with Ethereum keys.
      TypeScript
      •
      ISC License
      •231•582•24•14•Updated Apr 20, 2026Apr 20, 2026

    • client-mcp-core

      Public
      Core package for a MetaMask MCP server that allows AI agents to use both Extension or Mobile clients.
      TypeScript
      •
      Other
      •0•0•2•8•Updated Apr 20, 2026Apr 20, 2026

    • metamask-module-template

      Public template
      A simple template repository for starting new modules in the latest MetaMask fashion.
      JavaScript
      •16•30•10•0•Updated Apr 20, 2026Apr 20, 2026

    • snap-7715-permissions

      Public
      ERC-7715 Permissions Snap monorepo
      TypeScript
      •
      Apache License 2.0
      •3•7•2•2•Updated Apr 20, 2026Apr 20, 2026

    • snaps-registry

      Public
      A registry containing metadata about verified and blocked Snaps.
      TypeScript
      •
      Apache License 2.0
      •23•46•10•20•Updated Apr 20, 2026Apr 20, 2026

    • create-gator-app

      Public
      TypeScript
      •
      Apache License 2.0
      •2•6•0•10•Updated Apr 20, 2026Apr 20, 2026

    • perps-controller

      Public
      standalone perps controller
      TypeScript
      •0•0•0•15•Updated Apr 20, 2026Apr 20, 2026

    • smart-accounts-kit

      Public
      A Viem-based Toolkit for integrating embedded smart contract wallets into dapps.
      TypeScript
      •
      Apache License 2.0
      •36•44•9•5•Updated Apr 20, 2026Apr 20, 2026

    • github-tools

      Public
      An assortment of tools interacting with the GitHub API to get metrics for things like PR review comments/reviews
      TypeScript
      •5•10•6•22•Updated Apr 20, 2026Apr 20, 2026

    • contract-metadata

      Public
      A mapping of ethereum contract addresses to broadly accepted icons for those addresses.
      JavaScript
      •
      ISC License
      •1.3k•555•19•222•Updated Apr 17, 2026Apr 17, 2026

    • snap-tron-wallet

      Public
      Tron wallet snap
      TypeScript
      •
      Apache License 2.0
      •0•1•3•11•Updated Apr 17, 2026Apr 17, 2026
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