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MCP EVM Signer

Source

MCP server for managing EVM keys and deploying smart contracts via Infura

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Overview

MCP EVM Signer is a Model Context Protocol (MCP) server designed for managing Ethereum private keys and deploying smart contracts using Infura. It allows users to interact with EVM-compatible blockchains through a secure interface.

To use MCP EVM Signer, clone the repository, install the dependencies, configure your Infura API key, and integrate it with the Claude for Desktop application. You can then use various commands to manage wallets and deploy contracts.

  • Securely store and manage Ethereum private keys locally - Connect to Infura for blockchain interactions - Deploy smart contracts from compiled ABIs and bytecode - Sign and send transactions - View account balances and transaction history - Query blockchain data and interact with deployed contracts
  1. Creating and managing Ethereum wallets
  2. Deploying and interacting with smart contracts
  3. Checking balances and transaction history on Ethereum networks

Add to your AI client

Use these steps to connect MCP EVM Signer in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-evm-signer-zhangzhongnan928": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-evm-signer-zhangzhongnan928"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "mcp-evm-signer-zhangzhongnan928": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-evm-signer-zhangzhongnan928"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "mcp-evm-signer-zhangzhongnan928": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-evm-signer-zhangzhongnan928"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "mcp-evm-signer-zhangzhongnan928": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-evm-signer-zhangzhongnan928"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-evm-signer-zhangzhongnan928": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-evm-signer-zhangzhongnan928"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "mcp-evm-signer-zhangzhongnan928": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-mcp-evm-signer-zhangzhongnan928"
      ]
    }
  }
}

FAQ

Is my private key secure?

Yes, private keys are stored locally and can be encrypted with a password.

Do I need an Infura account?

Yes, an Infura account with an API key is required to connect to the Ethereum network.

Can I use this on test networks?

Yes, it is recommended to use test networks like Sepolia or Goerli for development.

Developer tools