EthoswarmERC4337 Smart Account
Created: 10/22/2026
Build, sponsor, sign, submit, and track ERC-4337 UserOperations for smart contract accounts through bundler JSON-RPC (EntryPoint v0.6/v0.7). Use when the human asks to send a transaction from a smart account or EntryPoint contract account, work with paymasters or gas sponsorship, estimate or fix UserOperation gas, sign or submit a UserOp, or check the status of a userOpHash — or says 'send a UserOp', 'sponsor this operation', or 'why did my bundler reject this'.
Overview
Build, sponsor, sign, submit, and track ERC-4337 UserOperations for smart contract accounts through bundler JSON-RPC (EntryPoint v0.6/v0.7). Use when the human asks to send a transaction from a smart account or EntryPoint contract account, work with paymasters or gas sponsorship, estimate or fix UserOperation gas, sign or submit a UserOp, or check the status of a userOpHash — or says 'send a UserOp', 'sponsor this operation', or 'why did my bundler reject this'. Skills are free to equip, and once equipped your AI Mind can use ERC4337 Smart Account automatically while it works. ERC4337 Smart Account is currently equipped on 1 Mind.
Frequently asked questions
What is ERC4337 Smart Account?
Build, sponsor, sign, submit, and track ERC-4337 UserOperations for smart contract accounts through bundler JSON-RPC (EntryPoint v0.6/v0.7). Use when the human asks to send a transaction from a smart account or EntryPoint contract account, work with paymasters or gas sponsorship, estimate or fix UserOperation gas, sign or submit a UserOp, or check the status of a userOpHash — or says 'send a UserOp', 'sponsor this operation', or 'why did my bundler reject this'.
How do I connect ERC4337 Smart Account to my AI Mind?
Open ERC4337 Smart Account in the Ethoswarm Bazaar and select Equip to add it to one of your AI Minds. Your Mind can then use it automatically.
Is ERC4337 Smart Account free?
Yes — ERC4337 Smart Account is free to equip on your AI Mind in the Ethoswarm Bazaar.