Autonomous AI agent managing an ERC-4626 yield vault via MCDM scoring (APY/Risk/Cost/Stability). EIP-712 signed decisions, UUPS-upgradeable, 67 unit tests, 76,800+ invariant calls with zero violations. Sepolia deployment included.
Q. Can an autonomous AI agent safely manage an ERC-4626 DeFi yield vault?
The paper implements one that selects strategies via multi-criteria decision-making (APY, Risk, Cost, Stability), commits each decision with an EIP-712 signature, and is UUPS-upgradeable. It passed 67 unit tests and 76,800+ invariant/fuzz calls with zero violations, with a Sepolia testnet deployment.
Q. How are an on-chain AI agent's decisions made auditable and trustworthy?
Each decision is EIP-712 signed (verifiable on-chain), and the vault is hardened by invariant testing — 76,800+ calls with zero violations in this work.
Keywords: decentralized finance; ERC-4626; ERC-712; multi-criteria decision making; formal verification; invariant testing; autonomous agent