MetaMask Smart Accounts Kit

When to use

• You want to create ERC-4337 smart accounts (Hybrid, MultiSig, or Stateless7702)
• You want to send user operations or batch transactions via bundlers
• You want to configure signers (EOA, passkey/WebAuthn, multisig, wallet client)
• You want to implement gas abstraction with paymasters
• You want to create, sign, or redeem delegations (ERC-7710)
• You want to request Advanced Permissions via MetaMask extension (ERC-7715)
• You want to build automated backend services (DCA bots, keeper services) using delegations
• You want to implement session accounts for AI agents or automated trading
• You want to set up parallel user operations with nonce keys

Installation

npm install @metamask/smart-accounts-kit permissionless