Block explorer showcasing the BlockCypher APIs.

🤠 Home to Wrangler v1 (deprecated)

GitHub's official MCP Server

Ethereum consensus client in Rust

OpenZeppelin Contracts is a library for secure smart contract development.

Soundness Layer is a decentralized verification layer built on Walrus and Sui.

React components and TypeScript utilities to help you build top-tier onchain apps.

An HTTP Interface to 0x liquidity and tooling

Library to interface to low level linux features (inotify, fanotify, timerfd, signalfd, eventfd, containers) with asyncio support (from http://blitz.works/butter/) (also on PyPI)

superchain-ops allows builders to create and execute tasks on EVM chains.

Ethereum Development Tech Tree to test your skills and pick up some new ones

UI for the GoodProtocol smart contracts

Monorepo for GoodCollective (Segmented UBI and Direct Payments Pool)

AirSwap DEX and DAO Smart Contracts and Developer Tools

This repository is to serve as a place where builders on every level of the OP Stack can come to collaborate.

Command line utility for Safe