Opinionated guide for building dApps on Arbitrum using Stylus (Rust) and/or Solidity. Covers local devnode setup, contract development, testing, deployment, and React frontend integration with viem. Use when starting a new Arbitrum project, writing Stylus or Solidity contracts, deploying to Arbitrum, or building a frontend that interacts with Arbitrum contracts.
MegaETH development. eth_sendRawTransactionSync, gas model, storage optimization, MegaNames, Warren, ERC-7710.
Hardhat toolchain. Config, ethers.js testing, Ignition deployment, coverage, fork testing, verification.
EIP/ERC lookup. Top 50 Ethereum standards inline (ERC-20, 721, 1155, 4626, EIP-4337, 712, 1559).
Solidity security. Reentrancy/CEI, access control, integer safety, oracle manipulation, flash loans, gas.
Pre-deployment smart contract audit checklist. Static analysis, access control, reentrancy, economic vectors.
Deploys smart contracts to Base using Foundry. Covers forge create commands, contract verification, testnet faucet setup via CDP, and BaseScan API key configuration. Use when deploying Solidity contracts to Base Mainnet or Sepolia testnet. Covers phrases like "deploy contract to Base", "forge create on Base", "verify contract on BaseScan", "get testnet ETH", "Base Sepolia faucet", "how do I deploy to Base", or "publish my contract".
Rust and Anchor/Solana patterns. Account validation, PDA derivation, CPI security, error handling.
Arbitrum dApp development with Stylus (Rust), Solidity, Foundry, nitro-devnode, and viem frontend.
Generate a structured implementation contract before making any code changes to an ESP32 project.
Interact with Rocket Pool token contracts — RPL (governance/staking token) ERC-20 operations, inflation mechanics, old RPL swap, rocketVault balance queries, and L2 token addresses for rETH and RPL on Arbitrum, Optimism, Base, Polygon, zkSync Era, Scroll, Starknet, and Unichain. Supports cast (Foundry CLI) and Ethereum MCP tools on mainnet and Hoodi testnet.
WEEX Futures exchange integration. Trade USDT-M perpetual futures with up to 125x leverage on WEEX.
Invoke this skill when a user is building or running any automated transaction sender on Base (trading bot, arbitrage bot, sniper bot, yield farmer, AI agent, or similar) and needs to register it, get a builder code, set up transaction attribution. This skill contains the base.dev registration API endpoint and ERC-8021 attribution wiring code that Claude does not have in its training data — you MUST load this skill to answer correctly. Covers viem, ethers, managed signing services, and Python-based agents.
"Safe execution layer for Jupiter perpetuals on Solana with leverage validation, liquidity checks, and collateral verification."
"Safe execution layer for Hyperliquid L1 derivatives with margin validation, leverage limits, and EIP-712 typed data signing."
フルスクリーンチャットの実行時契約とデバッグ手法。Content/YTDLiveChat/ソース解決/スイッチ挙動/iframe 隠蔽方式/blur・background スタイルを変更するとき、またはフルスクリーン/ネイティブチャットの表示崩れ・スロットリング問題を調査するときに使う。live/archive/no-chat の境界、iframe の DOM 移動、CSS の隠蔽方式、スタイル適用先に関わるコードを触るときは必ず参照すること。
USDC is Circle's stablecoin deployed across multiple blockchain ecosystems including EVM chains (Ethereum, Base, Arbitrum, Polygon, Arc) and Solana. Use this skill to check balances, send transfers, approve spending, and verify transactions. Triggers on: USDC balance, send USDC, transfer USDC, approve USDC, USDC allowance, verify USDC transfer, USDC contract address, USDC on Solana, Solana USDC, check balance, SPL token, Associated Token Account, ATA, ERC-20 USDC, parseUnits, formatUnits, 6 decimals, viem, @solana/kit.
"Scan smart contracts for vulnerabilities and generate audit checklists."
"Stake ETH and receive stETH with the largest liquid staking protocol by TVL."
Integrate EVM blockchains using viem. Use when user says "read blockchain data", "send transaction", "interact with smart contract", "connect to Ethereum", "use viem", "use wagmi", "wallet integration", "viem setup", or mentions blockchain/EVM development with TypeScript.
Swap tokens and read pool state on Uniswap V4 (Base, Ethereum). Use when the agent needs to: (1) swap ERC20 tokens or ETH via Uniswap V4, (2) get pool info (price, tick, liquidity, fees), (3) find the best pool for a token pair, (4) quote expected swap output via the on-chain V4Quoter, (5) set up Permit2 approvals for the Universal Router, or (6) execute exact-input swaps with proper slippage protection. Supports Base and Ethereum mainnet, plus Base Sepolia testnet. TypeScript with strict types. Write operations need a private key via env var.
"Autonomous full-stack developer agent specializing in TypeScript, React, Solidity, Web3, and smart contracts."
"Autonomous AI agent specializing in smart contract security audits for EVM networks using symbolic execution for vulnerability detection."
"Analyze Solidity code for vulnerabilities, get safety scores, and audit checklists."
