End-to-end MegaETH development playbook (Feb 2026). Covers wallet operations, token swaps (Kyber Network), eth_sendRawTransactionSync (EIP-7966) for instant receipts, JSON-RPC batching, real-time mini-block subscriptions, storage-aware contract patterns (Solady RedBlackTreeLib), MegaEVM gas model, WebSocket keepalive, bridging from Ethereum, and debugging with mega-evme. Use when building on MegaETH, managing wallets, sending transactions, or deploying contracts.
- Initial release of the MegaETH developer skill and playbook. - Covers wallet management, transaction flows, token swaps, RPC optimization, WebSocket subscriptions, and bridging for MegaETH. - Provides default stack recommendations: instant receipts with eth_sendRawTransactionSync, prefer Multicall batching, and storage-aware contract design. - Documents MegaETH-specific gas, storage, and debugging patterns for both frontend and contract development. - Includes references to supporting docs for advanced features and best practices.