Mellow Finance is a modular yield marketplace that enables users and protocols to create and manage custom DeFi vaults. It provides permissionless infrastructure for intent-based yield optimization, liquidity strategies, and automated asset management. Built on Ethereum and L2s, Mellow connects users with professional vault managers, allowing composable integrations with protocols like Lido, Aave, and Yearn. Its system powers restaking, LP management, and structured yield strategies while ensuring transparency through open-source smart contracts.