mashharuki/claude-code-sample

Comprehensive development support for Circle's stablecoin ecosystem including USDC/EURC integration, wallet solutions (Developer-Controlled, User-Controlled, Modular), cross-chain transfers (CCTP, Bridge Kit, Gateway), smart contracts, and payment APIs. Use when building applications with Circle for - (1) Stablecoin payments and transfers, (2) Wallet creation and management, (3) Cross-chain USDC/EURC transfers, (4) Smart contract deployment and management, (5) Gas fee sponsorship and optimization, (6) Circle Mint integration, (7) Global payment settlement, (8) FX operations with stablecoins. Covers SDK usage (TypeScript/JavaScript), API integration (REST), smart contract development (Solidity), and Circle-specific features like programmable wallets, native cross-chain transfers, and gasless transactions.

Comprehensive development support for ENS (Ethereum Name Service) including name registration, resolution, subdomains, smart contracts, and multichain integration. Use when building applications with ENS for - (1) Domain name registration and management (.eth names), (2) Name resolution (ENS to address, address to ENS), (3) Subdomain creation and management, (4) Avatar and profile records, (5) Smart contract integration with ENS, (6) Multichain resolution (L2s, sidechains), (7) Name Wrapper and permission management (fuses), (8) DNS integration (traditional domains on ENS), (9) Reverse resolution (address to name). Covers library usage (viem, ethers, wagmi), smart contract development (Solidity), ENS protocol architecture (Registry, Resolver, Registrar), and ENS-specific features like wrapped names, CCIP Read, and programmable fuses.

Comprehensive development support for LI.FI DEX aggregator including SDK, Widget, and API integration for cross-chain swaps and bridging. Use when building applications with LI.FI for - (1) Cross-chain token swaps and bridges, (2) Multi-chain liquidity aggregation, (3) Trading widget integration, (4) Custom DEX aggregation UI, (5) Gas subsidy implementation, (6) Revenue monetization with integrator fees, (7) Route optimization across 60+ chains, (8) Intent-based trading systems. Covers SDK usage (TypeScript/JavaScript), Widget customization (React/Vue/Svelte), API integration (REST), and LI.FI-specific features like cross-chain routing, gas subsidies (LI.Fuel), and multi-protocol aggregation across Uniswap, 1inch, Stargate, Across, and 800+ protocols.