JSPM

Ethereum Name Service (ENS) Name Normalizer

An Abstract Class for desribing an Ethereum Signer for ethers.

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

Logs errors to an error reporting service such as Sentry

Service to manage multichain accounts

SDK that facilitates the interaction with the Safe Transaction Service API

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

Collection of Safe singleton deployments

An Abstract Class for describing an Ethereum Provider for ethers.

Utilities for decoding and encoding Ethereum transaction for ethers.

The keccak256 hash function for ethers.

Utilities for handling Ethereum Addresses for ethers.

BigNumber library used in ethers.js.

Bytes utility functions for ethers.

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

An ENS interface module built on EthJS.

Base64 coder.

Properties utility functions for ethers.

Hash utility functions for Ethereum.

Ethereum Providers for ethers.

Utility fucntions for managing web requests for ethers.

Unit conversion functions for Ethereum.

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

BIP32 Hierarchal Deterministic Node operations.

String utility functions.

Compact ES6 Ethereum Name Service (SNS) Name Normalizer

Logger utility functions for ethers.

The SHA2 family hash functions and HMAC functions for ethers.

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

Common Ethereum constants used for ethers.

Network definitions for ethers.

Contract abstraction meta-class for ethers.

Wallet management utilities for KeyStore and Crowdsale JSON wallets.

Solidity coder for non-standard (tight) packing.

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

Recursive-Length Prefix (RLP) coder.

Elliptic curve library functions for the secp256k1 curve.

A tool for processing JSON-RPC messages

Ethereum JavaScript API

Base-X without Buffer.

Random utility functions for ethers.

Stores and suggests names for values such as Ethereum addresses

Word lists for BIP39 wallets.

The PBKDF2 password-pbased key derivation function for ethers.

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

An Abstract Class for desribing an Ethereum Signer for ethers.

Service to manage multichain accounts

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

Logs errors to an error reporting service such as Sentry

Multicoin address validator for Bitcoin and other Altcoins.

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

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

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

A collection of utilities for MetaMask Snaps

highlight.js syntax definition for Ethereum's Solidity language

A library containing the core functionality for building MetaMask Snaps

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

EVM tooling used for coin integrations & app bindings

Safe Core SDK Utilities

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

Multichain network controller

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

Design tokens to be used throughout MetaMask products

foundryup

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

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

Controllers for MetaMask Snaps

Snap sandbox environments for executing SES javascript

Techincal Indicators written in javascript

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

Maintains a periodically updated list of approved and unapproved website origins

Manages New MetaMask decentralized Notification system

MetaMask example snap demonstrating preinstalled Snaps

Shims required for ethers in constrained environments.

Manages a list of recipient addresses associated with nicknames

common utilities to access and format responses from auth network

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

Collection of Safe modules contract deployments

Manages internal accounts

Manages requests that require user approval

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)

SDK that facilitates the interaction with Safe Smart Accounts

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

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

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

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

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

Data and convenience functions shared by multiple packages

Types for use with the Safe Core SDK packages

MetaMask Snaps JSON-RPC method implementations

Type definitions for the Snowbridge parachain

Stores and suggests names for values such as Ethereum addresses

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

Umbrella package for most common Hethers libraries.

Manages bridge-related quote fetching functionality for MetaMask

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

Manages user-configurable settings for MetaMask

Utilities for building MetaMask applications

The MetaMask Node module template

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

Design System React Native

@trezor/connect plugin for Ethereum

Creates user operations and manages their life cycle

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.

Manages in-app announcements

Manages delegations for MetaMask

Manages token search and discovery through the Portfolio API

Manages requests that for app metadata

Stores and manages interactions with signing requests

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

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

Wallet address validator for Bitcoin and other Altcoins.

A history of deployments of the Delegation Framework

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

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

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

Design System Tailwind CSS preset for MetaMask projects

Design System twrnc Preset

Ethereum multisig contract

Solidity contract visualisation tool.

Design system react ui components

Hardware Wallet support for ethers.

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

Embed script for Torus

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

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

Utilities for decoding and encoding Hedera Hashgraph transactions for hethers.

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

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

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

Web3 client extended with Alchemy and browser provider integration.

Biconomy Client SDK types

Common Ethereum constants used for ethers.

Elliptic curve library functions for the secp256k1 curve.

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

Network definitions for ethers.

Recursive-Length Prefix (RLP) coder.

Bytes utility functions for ethers.

Utility fucntions for managing web requests for ethers.

Typescript port of web3.js

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.

Contract abstraction meta-class for hethers.

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

Network definitions for hethers.

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

Hash utility functions for Ethereum.

Logger utility functions for hethers.

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

Minimal utilties to make working with the delegation framework easier

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

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

BIP32 Hierarchal Deterministic Node operations.

Wallet management utilities for KeyStore

Unit conversion functions for Hedera Hashgraph.

Hedera Hashgraph Providers for hethers.

Provide easy conversion between crypto symbol and name

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.

Maintains a periodically updated list of approved and unapproved website origins

Creates user operations and manages their life cycle

Veramo KMS implementation that provides Ed25519 and secp256k1 crypto

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

A CLI for developing MetaMask Snaps

Polling Controller is the base for controllers that polling by networkClientId

Utilities for handling EVM Addresses for hethers.

Common EVM & Hedera Hashgraph constants used for hethers.

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

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

Simplify dApp creation

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

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

Singleton factory used by Safe related contracts

A tool for processing JSON-RPC messages

A Webpack plugin to build MetaMask Snaps with Webpack

Manages New MetaMask decentralized Notification system

BTC Markets API Client for Node.JS

Manages logging data to assist users and support staff

Data and convenience functions shared by multiple packages

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

Ethereum utility with very low dependencies

Manages user-configurable settings for MetaMask

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

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

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

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

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

Manages in-app announcements

Manages bridge-related quote fetching functionality for MetaMask

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

Stores and manages interactions with signing requests

Maps ENS names to their resolved addresses by chain id

Manages requests that require user approval

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

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

Manages internal accounts

Processes signing requests in order to sign arbitrary and typed data

Consolidates the state from multiple controllers into one

Contains logic for rate-limiting API endpoints by requesting origin

Sample package to illustrate best practices for controllers

Multichain network controller

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

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

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

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

Crypto address validator for Bitcoin and other Altcoins, forked to be used with typescript

A library for interfacing with ckETH.

Manages token search and discovery through the Portfolio 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

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

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

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

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

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

A type-safe message bus library

The SHA2 family hash functions and HMAC functions for ethers.

Manages delegations for MetaMask

Manages bridge-related status fetching functionality for MetaMask

The RemoteFeatureFlagController manages the retrieval and caching of remote feature flags

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

Veramo ethr-did based identity controller plugin.

foundryup

Utility contracts for Gnosis

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

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 requests that for app metadata

Turnkey CCIP-Read Handler

Info Server for Edge Wallet and SDK

Singleton factory used by Safe related contracts