JSPM

The keccak256 hash function for ethers.

Bytes utility functions for ethers.

Utilities for handling Ethereum Addresses for ethers.

Utilities and Classes for parsing, formatting and managing Ethereum ABIs.

An Abstract Class for describing an Ethereum Provider for ethers.

Ethereum Name Service (ENS) Name Normalizer

Properties utility functions for ethers.

Utility fucntions for managing web requests for ethers.

An Abstract Class for desribing an Ethereum Signer for ethers.

The SHA2 family hash functions and HMAC functions for ethers.

Logger utility functions for ethers.

Utilities for decoding and encoding Ethereum transaction for ethers.

BigNumber library used in ethers.js.

Unit conversion functions for Ethereum.

Classes for managing, encrypting and decrypting Ethereum private keys as a Signer for ethers.

Common Ethereum constants used for ethers.

Hash utility functions for Ethereum.

Base64 coder.

Network definitions for ethers.

Wallet management utilities for KeyStore and Crowdsale JSON wallets.

Ethereum Providers for ethers.

BIP32 Hierarchal Deterministic Node operations.

String utility functions.

Contract abstraction meta-class for ethers.

Recursive-Length Prefix (RLP) coder.

Elliptic curve library functions for the secp256k1 curve.

Solidity coder for non-standard (tight) packing.

A tool for processing JSON-RPC messages

Base-X without Buffer.

Random utility functions for ethers.

Ethereum JavaScript API

The PBKDF2 password-pbased key derivation function for ethers.

Word lists for BIP39 wallets.

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

A simple module for generating ENS namehashes per spec https://github.com/ethereum/EIPs/issues/137

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

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

Mocha reporter which shows gas used per unit test.

Polling Controller is the base for controllers that polling by networkClientId

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

EVM tooling used for coin integrations & app bindings

A library containing the core functionality for building MetaMask Snaps

A collection of utilities for MetaMask Snaps

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

Collection of Safe singleton deployments

Multichain network controller

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

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

Logs errors to an error reporting service such as Sentry

Multicoin address validator for Bitcoin and other Altcoins.

A simple node module that exports the [Ethereum ABI](1) for [ERC 20](2) compatible tokens.

Controllers for MetaMask Snaps

Maintains a periodically updated list of approved and unapproved website origins

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

Manages a list of recipient addresses associated with nicknames

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

Design tokens to be used throughout MetaMask products

common utilities to access and format responses from auth network

Manages requests that require user approval

SDK that facilitates the interaction with Safe Smart Accounts

A module for getting method signature info from an ethereum method signature.

Snap sandbox environments for executing SES javascript

foundryup

Manages New MetaMask decentralized Notification system

Manages logging data to assist users and support staff

Data and convenience functions shared by multiple packages

MetaMask example snap demonstrating preinstalled Snaps

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

SDK that facilitates the interaction with the Safe Transaction Service API

Shims required for ethers in constrained environments.

Type definitions for the Snowbridge parachain

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

Collection of Safe modules contract deployments

MetaMask Snaps JSON-RPC method implementations

Manages internal accounts

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

Manages user-configurable settings for MetaMask

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

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

Manages bridge-related quote fetching functionality for MetaMask

Utilities for building MetaMask applications

Manages bridge-related status fetching functionality for MetaMask

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

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

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

Processes signing requests in order to sign arbitrary and typed data

The MetaMask Node module template

Types for use with the Safe Core SDK packages

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

Experimental libraries for ethers. These should not be considered stable.

Service to manage multichain accounts

@trezor/connect plugin for Ethereum

Creates user operations and manages their life cycle

Stores and suggests names for values such as Ethereum addresses

Stores and manages interactions with signing requests

Manages delegations for MetaMask

highlight.js syntax definition for Ethereum's Solidity language

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

An ENS interface module built on EthJS.

Design System React Native

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 in-app announcements

Maps ENS names to their resolved addresses by chain id

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

Design System Tailwind CSS preset for MetaMask projects

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

Consolidates the state from multiple controllers into one

Manages token search and discovery through the Portfolio API

Manages requests that for app metadata

Design System twrnc Preset

Techincal Indicators written in javascript

Hardware Wallet support for ethers.

Design system react ui components

Ethereum multisig contract

Javascript library for fetching trusted token pricing data from Redstone data ecosystem

A simple module for generating ENS namehashes per spec https://github.com/ethereum/EIPs/issues/137

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

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

Embed script for Torus

Safe Core SDK Utilities

Coinbase Pro API for Node.js, written in TypeScript and covered by tests.

Wallet address validator for Bitcoin and other Altcoins.

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

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

Web3 client extended with Alchemy and browser provider integration.

A type-safe message bus library

Bytes utility functions for ethers.

An Abstract Class for desribing an Ethereum Signer for ethers.

Utility fucntions for managing web requests for ethers.

Logger utility functions for ethers.

An Abstract Class for describing an Ethereum Provider for ethers.

Utilities for handling Ethereum Addresses for ethers.

Utilities for decoding and encoding Ethereum transaction for ethers.

An Abstract Class for describing an Hedera Hashgraph Signer for hethers.

Utilities for decoding and encoding Hedera Hashgraph transactions for hethers.

Biconomy Client SDK types

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

Common Ethereum constants used for ethers.

Elliptic curve library functions for the secp256k1 curve.

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

Network definitions for ethers.

Recursive-Length Prefix (RLP) coder.

Hash utility functions for Ethereum.

Minimal utilties to make working with the delegation framework easier

Node Client that comminucates with indexer service to fetch necessary details for the Smart Account

A tiny library to work with Substrate and Ethereum addresses and do some more

Solidity contract visualisation tool.

Utilities and Classes for parsing, formatting and managing Ethereum ABIs.

BigNumber library used in ethers.js.

Properties utility functions for ethers.

String utility functions.

The keccak256 hash function for ethers.

CoinPayments is a cloud wallet solution that offers an easy way to integrate a checkout system for numerous cryptocurrencies. Coinpayments now also offers coin conversion via Shapeshift.io.

Veramo KMS implementation that provides Ed25519 and secp256k1 crypto

Contract abstraction meta-class for hethers.

Maintains a periodically updated list of approved and unapproved website origins

Classes for managing, encrypting and decrypting ECDSA private keys as a Signer for hethers.

Creates user operations and manages their life cycle

Wallet management utilities for KeyStore

BIP32 Hierarchal Deterministic Node operations.

A CLI for developing MetaMask Snaps

Network definitions for hethers.

Logger utility functions for hethers.

Singleton factory used by Safe related contracts

The smart contracts which make up the Synthetix system. (synthetix.io)

Stores and suggests names for values such as Ethereum addresses

Unit conversion functions for Hedera Hashgraph.

BTC Markets API Client for Node.JS

Manages logging data to assist users and support staff

Data and convenience functions shared by multiple packages

A tool for processing JSON-RPC messages

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

Simplify dApp creation

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

Polling Controller is the base for controllers that polling by networkClientId

An Abstract Class for describing an Hedera Hashgraph Provider for hethers.

Hedera Hashgraph Providers for hethers.

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

A Webpack plugin to build MetaMask Snaps with Webpack

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

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

Umbrella package for most common Hethers libraries.

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

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

Common EVM & Hedera Hashgraph constants used for hethers.

Utilities for handling EVM Addresses for hethers.

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

Manages internal accounts

SDK for Safe Smart Accounts with support for ERC-4337 and Relay

Manages New MetaMask decentralized Notification system

Consolidates the state from multiple controllers into one

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

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

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

Manages token search and discovery through the Portfolio API

Manages in-app announcements

Stores and manages interactions with signing requests

Maps ENS names to their resolved addresses by chain id

Service to manage multichain accounts

Manages requests that require user approval

Manages user-configurable settings for MetaMask

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

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

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

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

Manages bridge-related quote fetching functionality for MetaMask

Manages a list of recipient addresses associated with nicknames

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

The SHA2 family hash functions and HMAC functions for ethers.

Manages delegations for MetaMask

Typescript port of web3.js

Multichain network controller

A library for interfacing with ckETH.

Processes signing requests in order to sign arbitrary and typed data

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

Contains logic for rate-limiting API endpoints by requesting origin

Sample package to illustrate best practices for controllers

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

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

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

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

Veramo ethr-did based identity controller plugin.

Logs errors to an error reporting service such as Sentry

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

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

foundryup

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

Multicoin address validator for Bitcoin and other Altcoins ported to TypeScript.

Funkit core SDK provides feature-rich and extensible smart wallets built on account abstraction

A type-safe message bus library

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

Manages bridge-related status fetching functionality for MetaMask

Manages requests that for app metadata

Singleton factory used by Safe related contracts

Rango Exchange Basic SDK for dApps

Ledger EVM Coin integration

Collection of smart contracts for the Realitio fact verification platform

Ledger Hardware Wallet Ethereum Application API

Ethereum multisig contract

SDK that provides the basic tools to interact with the Safe Smart Account.

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

Biconomy Bundler package to interact with any bundler node as per ERC4337 standard

Rango Exchange SDK for dApps