universal-signer
Guide for using @universal-signer/core to unified signing across AWS KMS, GCP KMS, Ledger, Trezor, Turnkey, and Local accounts with Viem v2. Use when implementing secure signing logic that needs to support hardware or cloud KMS providers.
viem-sweep
Comprehensive guide and reference for implementing advanced sweeping and transaction strategies (Legacy, Factory, Permit, Auth, EIP-7702) using viem v2. Use this skill when you need to implement token sweeping, wallet factories, gasless transfers, or account delegation.
evm-address
Guide for generating deterministic EVM deposit addresses offline using @evm-address/sdk and CLI. Supports BIP-44 (XPUB) and CREATE2 (Factory) strategies with zero private key exposure. Use when implementing deposit systems, batch sweeping, or offline address generation.
eip-7702
Expert guide for EIP-7702 implementation, implementing sponsored transactions, creating delegated smart contracts, and interacting via Viem v2. Use when needing to implement `gasless` token transfers via EIP-7702, create batching contracts, or understand the EIP-7702 transaction flow with Viem.
viem-siwe
Comprehensive guide and reference implementation for Sign-In with Ethereum (SIWE) using the viem v2 library. Use this skill when implementing authentication flows, verifying Ethereum addresses on a backend, parsing EIP-4361 messages, or managing SIWE sessions. It includes nonce generation, message creation, signature verification, and best practices for replay protection and session management.