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    • optimism

      Public
      Optimism is Ethereum, scaled.
      Go
      MIT License
      3.9k6.4k680174Updated Apr 20, 2026Apr 20, 2026
    • Onchain Data, Utilities, References, and other Analytics on Optimism
      Jupyter Notebook
      851526120Updated Apr 20, 2026Apr 20, 2026
    • design-docs

      Public
      MIT License
      5058740Updated Apr 19, 2026Apr 19, 2026
    • specs

      Public
      OP Stack Specifications
      Python
      Creative Commons Zero v1.0 Universal
      1981707426Updated Apr 19, 2026Apr 19, 2026
    • actions

      Public
      DeFi Actions SDK for the OP Stack
      TypeScript
      MIT License
      15256825Updated Apr 18, 2026Apr 18, 2026
    • ecosystem

      Public
      Optimism is Ethereum, scaled.
      TypeScript
      MIT License
      821394818Updated Apr 18, 2026Apr 18, 2026
    • devnets

      Public
      Python
      41023Updated Apr 17, 2026Apr 17, 2026
    • superchain-ops

      Public
      superchain-ops allows builders to create and execute tasks on EVM chains.
      Solidity
      MIT License
      128953816Updated Apr 17, 2026Apr 17, 2026
    • ethereum-optimism.github.io

      Public
      Unified token list for OP Mainnet, Base, and other OP Chains
      TypeScript
      847337938Updated Apr 17, 2026Apr 17, 2026
    • monitorism

      Public
      Suite of tools for Monitoring OP Stack Chains 🔴 Offers real-time detection and Incident response capabilities ✨
      Go
      MIT License
      333801Updated Apr 17, 2026Apr 17, 2026
    • infra

      Public
      Optimism is Ethereum, scaled.
      Go
      MIT License
      117414043Updated Apr 17, 2026Apr 17, 2026
    • bailiff

      Public
      Go
      4402Updated Apr 16, 2026Apr 16, 2026
    • factory

      Public
      Github CI workflows to build artifacts securely
      MIT License
      1100Updated Apr 16, 2026Apr 16, 2026
    • op-geth

      Public
      Go
      GNU Lesser General Public License v3.0
      9833946239Updated Apr 15, 2026Apr 15, 2026
    • Sidecar to Enable Rollup Extensions
      Rust
      MIT License
      84007Updated Apr 14, 2026Apr 14, 2026
    • Utility to use in with circleci
      Python
      MIT License
      6503Updated Apr 8, 2026Apr 8, 2026
    • Superchain interop example: Crosschain flash loan
      TypeScript
      MIT License
      631801Updated Apr 6, 2026Apr 6, 2026
    • Superchain interop example: Crosschain Multisend
      TypeScript
      MIT License
      63501Updated Apr 6, 2026Apr 6, 2026
    • Superchain interop example: SuperchainERC20 that mints initial supply on a single chain
      TypeScript
      MIT License
      631901Updated Apr 6, 2026Apr 6, 2026
    • superchain-starter

      Public template
      A lightweight, focused starting point for prototyping/building on the Superchain
      TypeScript
      MIT License
      6310341Updated Apr 6, 2026Apr 6, 2026
    • docs

      Public archive
      Optimism Developer Docs
      MDX
      333170367Updated Apr 6, 2026Apr 6, 2026
    • argo-cd

      Public
      Declarative Continuous Deployment for Kubernetes
      Go
      Apache License 2.0
      7.1k0011Updated Apr 3, 2026Apr 3, 2026
    • An index of chains which serves as the source of truth for who’s in the Superchain Ecosystem
      Go
      MIT License
      2102174024Updated Apr 1, 2026Apr 1, 2026
    • MCP server for prompt injection boundary enforcement
      TypeScript
      0020Updated Mar 10, 2026Mar 10, 2026
    • OPerating Manual of the Optimism Collective. https://optimism.io/vision
      112191614Updated Feb 17, 2026Feb 17, 2026
    • Repository for adding and managing tokens for Superchain chains.
      TypeScript
      MIT License
      1003Updated Feb 11, 2026Feb 11, 2026
    • Python
      MIT License
      131345Updated Feb 11, 2026Feb 11, 2026
    • kurtosis-test

      Public archive
      Test runner for kurtosis
      Go
      1206Updated Feb 10, 2026Feb 10, 2026
    • forkdiff

      Public
      CLI tool to generate documentation page of git fork diff
      Go
      MIT License
      14003Updated Feb 10, 2026Feb 10, 2026
    • This repository is for builders to get technical support, from the OP Stack to app development!
      Creative Commons Zero v1.0 Universal
      5610280Updated Feb 9, 2026Feb 9, 2026
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