Blockchain Signer

This MCP server implementation enables secure blockchain interactions for AI assistants while ensuring users maintain control over private keys and transaction signing. It features a Node.js backend with PostgreSQL for data persistence, Redis for caching, and integrates with Ethereum and EVM-compatible chains via Infura. The system includes a React-based Web DApp for wallet connection and transaction approval, making it suitable for AI-driven blockchain applications that prioritize user security and control.