BlockRunAI / ClawRouter

The agent-native LLM router for autonomous agents. Every frontier model behind one wallet, <1ms local routing, USDC payments on Base & Solana via x402.

jarrodwatts / jev-trader

One AI trade decision every Monad block. Jev on Kuru MON-USDC.

DigitalShieldOfficial / USDT-Payment-Gateway

A lightweight USDT/USDC payment gateway with multi-chain support, integration guides, SDK documentation, and merchant demos.轻量级 USDT/USDC 支付网关，提供多链支持、接入指南、SDK 文档和商户演示程序。

tradingstrategy-ai / web3-ethereum-defi

A Python library for trading automation on DeFi, data research and integration. Supporting Uniswap, Aave, Chainlink, USDC and other protocols.

lighttransport / LightUSD

LightUSD is a full-featured, dependency-free, lightweight USD library written in C++17

zonelessdev / zoneless

Open-source Stripe alternative for stablecoins. Checkout, subscriptions, and marketplace payouts. Stripe-compatible API. Your very own payments stack with no fees.

BlockRunAI / Franklin

The AI agent with a wallet — spends USDC autonomously to get real work done. Apache-2.0, TypeScript.

Goncafer47 / Stablecoin-Payment-Gateway

Self-hosted, non-custodial stablecoin payment gateway with x402 and invoice checkout. Accepts USDC, USDT, PYUSD and DAI across 8 networks with QR payments, payment links, settlement tracking and signed webhooks. REST API, micropayments, exports, zero platform fees and no KYC. Python, cross-platform.

mateusdcc / pi-gpt-search

Native, Model-Independent Web Search for Pi using OpenAI Codex Standalone Search Engine.

zeemscript / Parallax

Per-issue USDC bounties for open-source work, escrowed on Stellar and paid the moment your pull request merges.

VelaPayments / vela-payments

Open-source mobile payment prototype on Stellar, featuring NFC payment requests, XLM and USDC wallets, and passkey access.

Stellar-Clear / clearledger

Invoice finance infrastructure on Stellar: Soroban contracts, a Next.js app, TypeScript SDK and CLI, and Go indexer for USDC-backed workflows.

Stellar-Clear / clearledger-contracts

Soroban smart contracts on Stellar for invoice finance: participant registry, invoice lifecycle, USDC liquidity pools, and escrow coordination.

ucashier / UCashier-USDT-Payment

UCashier 提供 USDT 与 USDC 的稳定币收款和出款。买家付款直接进入商户绑定的钱包，提现、分成和供应商结算从同一商户账户打出。含托管收银台与代付服务。USDT 支持 TRC / ERC，USDC 支持 ERC。免任何开户费和月费。

Surge-Org / Surge

Funded, time-boxed contribution sprints for the Stellar ecosystem. Maintainers post scoped issues with a point value, contributors apply with a plan, and accepted work splits the wave pool in USDC. Frontend preview built with React and TypeScript.

TLAY-IO / arc-drone-show-demo

BLE-native machine-economy nanopayments reference: an ESP32 energy seller and an ESP32 drone buyer negotiate, sign, and settle per-slice USDC payments over BLE, batched into Circle Gateway credit on Arc and minted on-chain on demand. Built on BoAT MER + HashAnchor.

mateusdcc / nixpi

Declarative Nix configuration framework for the Pi coding agent

auscahq / ausca

Pay-per-call APIs and MCP services for AI agents: document OCR, document analysis, media transcription, browser sessions, and agent inboxes. USDC on Base over x402, no API keys, receipt-backed results.

EvolutionDeep / murmur

A population of fruit-fly nervous systems adrift on the Arc market - autonomous agents settling in USDC over x402.