JSPM

A tool for processing JSON-RPC messages

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

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

Create an Ethereum provider using a JSON-RPC engine or middleware

A library containing the core functionality for building MetaMask Snaps

Polling Controller is the base for controllers that polling by networkClientId

Provides an interface to the currently selected network via a MetaMask-compatible provider object

Provides scaffolding for controllers as well a communication system for all controllers

A collection of utilities for MetaMask Snaps

Logs errors to an error reporting service such as Sentry

Defines a CAIP-25 based endowment permission and helpers for interfacing with it

Backup and rehydrate SRP(s) using social login and password

Multichain network controller

Periodically calculates gas fee estimates based on various gas limits as well as other data displayed on transaction confirm screens

foundryup

Snap sandbox environments for executing SES javascript

Manages New MetaMask decentralized Notification system

Design tokens to be used throughout MetaMask products

MetaMask example snap demonstrating preinstalled Snaps

Controllers for MetaMask Snaps

Maintains a periodically updated list of approved and unapproved website origins

Manages a list of recipient addresses associated with nicknames

Provides an interface to the currently selected networkClientId for a given domain

Manages requests that require user approval

Mediates access to JSON-RPC methods, used to interact with pieces of the MetaMask stack, via middleware for json-rpc-engine

common utilities to access and format responses from auth network

The profile sync helps developers synchronize data across multiple clients and devices in a privacy-preserving way. All data saved in the user storage database is encrypted client-side to preserve privacy. The user storage provides a modular design, givin

Manages logging data to assist users and support staff

A lightweight logging package using @metamask/streams

Manages internal accounts

Data and convenience functions shared by multiple packages

Stores transactions alongside their periodically updated statuses and manages interactions such as approval and cancellation

Controllers which manage interactions involving ERC-20, ERC-721, and ERC-1155 tokens (including NFTs)

Processes signing requests in order to sign arbitrary and typed data

Controller to group account together based on some pre-defined rules

Manages bridge-related status fetching functionality for MetaMask

MetaMask Snaps JSON-RPC method implementations

Stores and suggests names for values such as Ethereum addresses

This package is responsible for getting transactions from our Bitcoin and Solana snaps

JSON-RPC methods and middleware to support the MetaMask Multichain API

Ocap Kernel errors

Stores identities seen in the wallet and manages interactions such as signing

Service to manage multichain accounts

Manages user-configurable settings for MetaMask

Manages bridge-related quote fetching functionality for MetaMask

Manages state for earning features and coordinates interactions between staking services, SDK integrations, and other controllers to enable users to participate in various earning opportunities

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

Utilities for building MetaMask applications

Design System React Native

The MetaMask Node module template

Tools for running the MetaMask Ocap Kernel in a web browser

Ocap Kernel shims

Manages in-app announcements

Kernel control panel UI

A kitchen drawer of Ocap Kernel utilities

SES-compatible streams, in the lineage of `@endo/stream`

Stores and manages interactions with signing requests

Creates user operations and manages their life cycle

Manages delegations for MetaMask

Implements the JSON-RPC methods for managing permissions as referenced in EIP-2255 and MIP-2 and inspired by MIP-5, but supporting chain-agnostic permission caveats in alignment with @metamask/multichain-api-middleware

OCap kernel core components

Utilities for implementing Ocap Kernel JSON-RPC methods

Manages token search and discovery through the Portfolio API

Manages requests that for app metadata

Maps ENS names to their resolved addresses by chain id

Consolidates the state from multiple controllers into one

Contains logic for rate-limiting API endpoints by requesting origin

Controller with middleware for logging requests and responses to restricted and permissions-related methods

A history of deployments of the Delegation Framework

Provides an interface to the currently enabled network using a MetaMask-compatible provider object

Design System Tailwind CSS preset for MetaMask projects

Design System twrnc Preset

Ocap Kernel storage abstractions and implementations

Design system react ui components

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

A type-safe message bus library

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

The Delegation Toolkit built on top of Viem - a library for interacting with DeleGator Smart Accounts

WalletConnect SDK module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

ABIs mapped to versions of the Delegation Framework contracts

Injected wallet module for connecting browser extension and mobile wallets to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported

Maintains a periodically updated list of approved and unapproved website origins

Creates user operations and manages their life cycle

Coinbase SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

Minimal utilties to make working with the delegation framework easier

A collection of React hooks for integrating Web3-Onboard in to React and Next.js projects. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported w

Stores and suggests names for values such as Ethereum addresses

A tool for processing JSON-RPC messages

Polling Controller is the base for controllers that polling by networkClientId

Controllers which manage interactions involving ERC-20, ERC-721, and ERC-1155 tokens (including NFTs)

The profile sync helps developers synchronize data across multiple clients and devices in a privacy-preserving way. All data saved in the user storage database is encrypted client-side to preserve privacy. The user storage provides a modular design, givin

Stores identities seen in the wallet and manages interactions such as signing

Safe module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI

A Webpack plugin to build MetaMask Snaps with Webpack

Manages New MetaMask decentralized Notification system

Manages state for earning features and coordinates interactions between staking services, SDK integrations, and other controllers to enable users to participate in various earning opportunities

A CLI for developing MetaMask Snaps

Data and convenience functions shared by multiple packages

Manages in-app announcements

Stores and manages interactions with signing requests

Manages bridge-related quote fetching functionality for MetaMask

Maps ENS names to their resolved addresses by chain id

Manages logging data to assist users and support staff

Manages requests that require user approval

Controller with middleware for logging requests and responses to restricted and permissions-related methods

Stores transactions alongside their periodically updated statuses and manages interactions such as approval and cancellation

Mediates access to JSON-RPC methods, used to interact with pieces of the MetaMask stack, via middleware for json-rpc-engine

Sample package to illustrate best practices for controllers

Multichain network controller

Ledger hardware wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic mo

Manages internal accounts

Logs errors to an error reporting service such as Sentry

Periodically calculates gas fee estimates based on various gas limits as well as other data displayed on transaction confirm screens

Consolidates the state from multiple controllers into one

Implements the JSON-RPC methods for managing permissions as referenced in EIP-2255 and MIP-2 and inspired by MIP-5, but supporting chain-agnostic permission caveats in alignment with @metamask/multichain-api-middleware

Manages user-configurable settings for MetaMask

Create an Ethereum provider using a JSON-RPC engine or middleware

Utilities for building MetaMask applications

Provides an interface to the currently selected networkClientId for a given domain

JSON-RPC methods and middleware to support the MetaMask Multichain API

Provides an interface to the currently selected network via a MetaMask-compatible provider object

A type-safe message bus library

Manages token search and discovery through the Portfolio API

Trust Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic m

Service to manage multichain accounts

Processes signing requests in order to sign arbitrary and typed data

Defines a CAIP-25 based endowment permission and helpers for interfacing with it

Contains logic for rate-limiting API endpoints by requesting origin

Manages a list of recipient addresses associated with nicknames

Provides scaffolding for controllers as well a communication system for all controllers

This package is responsible for getting transactions from our Bitcoin and Solana snaps

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

MetaMask SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

A Jest preset for end-to-end testing MetaMask Snaps, including a Jest environment, and a set of Jest matchers

Manages delegations for MetaMask

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Backup and rehydrate SRP(s) using social login and password

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

Controller to group account together based on some pre-defined rules

Manages bridge-related status fetching functionality for MetaMask

foundryup

A simulation framework for MetaMask Snaps, enabling headless testing of Snaps in a controlled environment

Manages requests that for app metadata

A collection of Vue Composables for integrating Web3-Onboard in to a Vue or Nuxt project. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wa

Trezor hardware wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic mo

Provides an interface to the currently enabled network using a MetaMask-compatible provider object

Infinity Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnosti

Sequence is the smartest Web3 wallet. Easy, fun and secure.

Taho SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern ja

Torus SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic modern j

Controller for managing gator permissions with profile sync integration

bitget-wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic

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

In app preview of Ethereum transactions

Frontier Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnosti

Controller handling shield transaction coverage logic

Includes a controller and middleware that implements a request queue

A sandbox tool for interacting with MetaMask Snaps

OKX Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic mod

Phantom wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic modern jav

Keystone hardware wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic

Web3Auth SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

Unstoppable Domains module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

A Browserify plugin to build MetaMask Snaps with Browserify

Manages display of notifications within MetaMask

Portis SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

(DEPRECATED. Use @web3-onboard/coinbase instead) WalletLink SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers

Fortmatic wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern j

KeepKey hardware wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic m

Enkrypt SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Blocto SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

MEW (MyEtherWallet) Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framew

D'CENT wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern java

Frame wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javas

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Includes a controller and middleware that implements a request queue

Provides types, helpers, adapters, and wrappers for facilitating CAIP Multichain sessions

Magic SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern j

XDEFI wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javas

Zeal SDK wallet module for connecting to Web3-Onboard.

Capsule SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

(DEPRECATED. Use @web3-onboard/taho instead) Tally Ho (now named Taho Wallet) SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec complia

Low level core functionality for interacting with the Delegation Framework

Particle Network SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnost

cede.store SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic mod

Unstoppable Domains module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

passport

Keplr Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic m

Module to configure, connect and return web3-onboard wallets as wagmi wallets and wagmi-config to be used with wagmi-core methods

SubWallet Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnost

MetaMask example snap demonstrating how to use the Webpack plugin to bundle a snap

FinoaConnect enables DApp users to use Finoa's Institutional Custody services.

Interacting with you MetaMask made "easy". (Depending on how you define "easy" of course...)

A collection of React hooks for integrating Web3-Onboard in to React and Next.js projects. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported w

(DEPRECATED. Use @web3-onboard/mew-wallet instead) MEW (My Ether Wallet) SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant we

Bitkeep Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic

Design system react ui components

MetaMask example snap demonstrating the use of `snap_notify`

MetaMask example snap demonstrating the use of the Ethereum Provider API and `endowment:ethereum-provider` permission

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Talisman Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnosti

Permission types for the ERC-7715

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

MetaMask example snap demonstrating the use of `snap_getBip32Entropy`

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Design System twrnc preset

Injected wallet module for connecting browser extension and mobile wallets to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported

Caches metadata associated with permission subjects

Design System React Native

Manages display of notifications within MetaMask

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

Polkadot{.js} Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework ag

Interacting with you MetaMask made "easy". (Depending on how you define "easy" of course...)

Adapter for the two-party MPC algorithm

MetaMask example snap demonstrating the use of the `onStart`, `onInstall`, and `onUpdate` lifecycle hooks

MetaMask example snap demonstrating the use of the `endowment:network-access` permission in snaps

MetaMask example snap demonstrating the use of `snap_getBip44Entropy`

Library for using Masca on the frontend

MetaMask example snap demonstrating the use of WebAssembly and the `endowment:webassembly` permission

A Rollup plugin to build MetaMask Snaps with Rollup

MetaMask example snap demonstrating the use of `snap_getEntropy`

Hedera Wallet Snap unlocks wallet functionality via Metamask that any other apps can interact with, thereby turning Metamask into a native Hedera wallet without relying on Hedera JSON-RPC Relay.

Design tokens to be used throughout MetaMask products

Manages chain-agnostic providers

Design System Tailwind CSS preset for MetaMask projects

MetaMask example snap demonstrating the use of `snap_manageState`

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

MetaMask example snap demonstrating the use of cronjobs in snaps

Your package description

Snap for managing VCs and VPs in MetaMask

MetaMask example snap demonstrating the use of interactive UI

MetaMask MPCSnap

MetaMask example Snap demonstrating the use of `snap_getPreferences`

Privacy-focused MetaMask snap for the Internet Computer (ICP)

Handle user subscription

MetaMask example Snap demonstrating the use of background events

Trade and Investment Application

SubWallet Wallet SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnost

WalletConnect SDK module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

WalletConnect SDK module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern

A collection of solid Composables for integrating Web3-Onboard in to a Solid project. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallet

Implements the JSON-RPC methods for sending multiple calls from the user's wallet, and checking their status, as referenced in EIP-5792

Ledger hardware wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardized spec compliant web3 providers for all supported wallets, framework agnostic mo

MetaMask SDK wallet module for connecting to Web3-Onboard. Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic moder

A snap for managing Decentralized Identifiers(DIDs)

A utility for generating Solidity code for recovering signatures using the EIP-712 signTypedData schema.

MetaMask example Snap demonstrating a send flow with UI components

Controllers which manage interactions involving ERC-20, ERC-721, and ERC-1155 tokens (including NFTs)