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    98 repositories

    • sidequestor

      Public
      Yourself-as-a-service while you AFK: a personal Slack, email, and calendar agent that turns everything worth your attention into a trackable quest, watched by a…
      Python
      •
      Apache License 2.0
      •1•4•1•0•Updated Sep 5, 2026Sep 5, 2026

    • arc-remote-signer

      Public
      Secure remote signing service for Arc Network using AWS Nitro Enclaves
      golangsigningblockchain
      golangsigningblockchainarcnitro-enclaves
      Go
      •
      Apache License 2.0
      •12•8•1•8•Updated Sep 5, 2026Sep 5, 2026

    • arc-defi-lend-borrow

      Public
      This sample app demonstrates DeFi lending by using cirBTC as collateral to borrow USDC on Arc.
      TypeScript
      •
      Apache License 2.0
      •24•12•1•25•Updated Sep 3, 2026Sep 3, 2026

    • sponsored-cctp-extension-contracts

      Public
      Repository for Circle Sponsored CCTP Extension contracts
      Solidity
      •
      Apache License 2.0
      •0•1•0•4•Updated Sep 3, 2026Sep 3, 2026

    • arc-prediction-markets

      Public
      This sample app demonstrates a decentralized prediction markets platform powered by UMA protocol on Arc.
      TypeScript
      •
      Apache License 2.0
      •26•12•2•16•Updated Sep 3, 2026Sep 3, 2026

    • payments-sample-app

      Public
      Vue
      •
      Apache License 2.0
      •50•16•12•16•Updated Sep 3, 2026Sep 3, 2026

    • circle-cctp-crosschain-transfer

      Public
      This sample application demonstrates Cross-Chain Transfer Protocol (CCTP) step-by-step capabilities on testnet networks.
      TypeScript
      •
      Apache License 2.0
      •33•20•0•6•Updated Sep 3, 2026Sep 3, 2026

    • arc-stablecoin-fx

      Public
      This sample app demonstrates stablecoin FX swaps between USDC and EURC using the App Kits Swap SDK on Arc.
      TypeScript
      •
      Apache License 2.0
      •17•17•1•22•Updated Sep 3, 2026Sep 3, 2026

    • arc-ecommerce-payments

      Public
      An onchain eCommerce demo on Circle Arc that uses the Commerce Payments Protocol (Coinbase x Shopify) as its payment processor.
      TypeScript
      •
      Apache License 2.0
      •16•12•0•18•Updated Sep 3, 2026Sep 3, 2026

    • evm-gateway-contracts

      Public
      Official repository for all EVM-compatible smart contracts used by Circle Gateway
      Solidity
      •
      Apache License 2.0
      •21•10•0•7•Updated Sep 2, 2026Sep 2, 2026

    • arc-node

      Public
      The Economic OS for the internet
      rustblockchainarc
      rustblockchainarcevmusdcmalachite-engine
      Rust
      •
      Apache License 2.0
      •155•170•93•143•Updated Sep 2, 2026Sep 2, 2026

    • onramp-kit-demo

      Public
      A Next.js sample application that demonstrates how to buy USDC directly into a connected MetaMask wallet using Circle Onramp Kit.
      0•0•0•1•Updated Sep 2, 2026Sep 2, 2026

    • docs-examples

      Public
      Repository for code samples from developer documentation
      TypeScript
      •
      Apache License 2.0
      •6•1•1•3•Updated Sep 1, 2026Sep 1, 2026

    • malachite

      Public
      Flexible BFT consensus engine in Rust
      rustconsensusbft
      rustconsensusbfttendermintmalachite-engine
      Rust
      •
      Apache License 2.0
      •144•449•76•16•Updated Aug 31, 2026Aug 31, 2026

    • agent-stack-starter-kits

      Public
      Runnable examples integrating Circle Agent Stack with LangChain, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK and Google ADK.
      TypeScript
      •
      Apache License 2.0
      •12•28•0•1•Updated Aug 28, 2026Aug 28, 2026

    • formal-tendermint

      Public
      Formal specifications and model checking for Tendermint-style consensus algorithms, provided by Circle.
      Bluespec
      •
      Apache License 2.0
      •0•0•0•0•Updated Aug 20, 2026Aug 20, 2026

    • skills

      Public
      Circle's open source skills for AI-assisted development.
      JavaScript
      •
      Apache License 2.0
      •53•146•7•20•Updated Aug 13, 2026Aug 13, 2026

    • stablecoin-evm

      Public
      Source repository for smart contracts used by Circle's stablecoins on EVM-compatible blockchains
      TypeScript
      •
      Apache License 2.0
      •584•796•24•103•Updated Aug 12, 2026Aug 12, 2026

    • arc-x402-circle-wallets

      Public
      This project demonstrates an AI agent that autonomously pays for paywalled services over the x402 protocol using a Circle developer-controlled wallet, settling …
      0•0•0•0•Updated Aug 11, 2026Aug 11, 2026

    • aptos-cctp

      Public
      Official repository for Aptos smart contracts used by the Cross-Chain Transfer Protocol
      Move
      •19•9•2•18•Updated Aug 4, 2026Aug 4, 2026

    • terraform-provider-quicknode

      Public
      Terraform Provider for Quicknode
      terraformterraform-providerquicknode
      terraformterraform-providerquicknode
      Go
      •
      Apache License 2.0
      •15•4•1•8•Updated Aug 4, 2026Aug 4, 2026

    • stellar-cctp

      Public
      Source repository for Stellar smart contracts used by the Cross-Chain Transfer Protocol
      Rust
      •
      Apache License 2.0
      •8•6•1•18•Updated Jul 31, 2026Jul 31, 2026

    • stablecoin-aptos

      Public
      Source repository for smart contracts used by Circle's stablecoins on Aptos blockchain
      Move
      •20•6•0•10•Updated Jul 30, 2026Jul 30, 2026

    • stablecoin-xlm

      Public
      Source repository for smart contracts used by Circle's stablecoins on the Stellar blockchain
      Rust
      •
      Apache License 2.0
      •14•2•0•13•Updated Jul 30, 2026Jul 30, 2026

    • w3s-ios-sdk

      Public
      Objective-C
      •
      Apache License 2.0
      •11•12•2•1•Updated Jul 30, 2026Jul 30, 2026

    • w3s-react-native-sdk

      Public
      The Circle React Native SDK enables your mobile application to provide user-controlled programmable wallets. By integrating this SDK, your users can securely in…
      web3
      web3
      TypeScript
      •
      Apache License 2.0
      •14•12•5•5•Updated Jul 30, 2026Jul 30, 2026

    • w3s-pw-web-sdk

      Public
      web3
      web3
      TypeScript
      •
      Other
      •26•17•8•10•Updated Jul 30, 2026Jul 30, 2026

    • arc-p2p-payments

      Public
      This sample app demonstrates a seamless, gasless P2P payment system on Arc.
      TypeScript
      •
      Apache License 2.0
      •20•20•1•15•Updated Jul 28, 2026Jul 28, 2026

    • circle-quantum-tracker

      Public
      Quantum tracker
      0•0•0•0•Updated Jul 24, 2026Jul 24, 2026

    • modularwallets-web-sdk

      Public
      Public source mirror and examples for Circle's Modular Wallets Web SDK.
      web3
      web3
      TypeScript
      •
      Apache License 2.0
      •29•21•0•6•Updated Jul 22, 2026Jul 22, 2026
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