Universal Signer Skills

This skill provides guidance and implementation patterns for using @universal-signer/core with Viem v2. It simplifies the integration of hardware wallets (Ledger, Trezor) and Cloud KMS providers (AWS, GCP) into Ethereum applications.

Features

• Unified Signer Interface: One API for Local, Hardware, and Cloud keys.
• Viem Native: Seamlessly integrates with WalletClient and LocalAccount.
• Advanced Signing: Handles KMS DER signature normalization and recovery automatically.
• Provider Support: AWS KMS, Google Cloud KMS, Ledger, Trezor, Turnkey, and Local.

Installation

To add this skill to your project, run:

npx skills add melonask/universal-signer-skills

Contents

• SKILL.md: Main guide with quick start and overview.
• references/providers.md: Detailed configuration for each signer type.
• references/troubleshooting.md: Solutions for common errors and technical details.

Usage

Trigger this skill by asking:

• "How do I use AWS KMS with Viem?"
• "Set up a Ledger signer for my wallet client."
• "What's the best way to handle GCP KMS signatures in Ethereum?"
• "Switch between local and hardware signing using universal-signer."