区块链交互服务器

# Clone the repository
git clone https://github.com/mcpdotdirect/evm-mcp-server.git
cd evm-mcp-server

# Install dependencies with Bun
bun install

# Or with npm
npm install

export EVM_PRIVATE_KEY="0x..." # Your private key in hex format (with or without 0x prefix)

export EVM_MNEMONIC="word1 word2 word3 ... word12" # Your 12 or 24 word BIP-39 mnemonic
export EVM_ACCOUNT_INDEX="0" # Optional: Account index for HD wallet derivation (default: 0)

export ETHERSCAN_API_KEY="your-api-key-here"

# Run the server in stdio mode (for CLI tools)
npx @mcpdotdirect/evm-mcp-server

# Run the server in HTTP mode (for web applications)
npx @mcpdotdirect/evm-mcp-server --http

# Start the stdio server
bun start

# Development mode with auto-reload
bun dev

# Start the HTTP server
bun start:http

# Development mode with auto-reload
bun dev:http

{
  "mcpServers": {
    "evm-mcp-server": {
      "command": "npx",
      "args": ["-y", "@mcpdotdirect/evm-mcp-server"]
    },
    "evm-mcp-http": {
      "command": "npx",
      "args": ["-y", "@mcpdotdirect/evm-mcp-server", "--http"]
    }
  }
}

{
  "mcpServers": {
    "evm-mcp-sse": {
      "url": "http://localhost:3001/sse"
    }
  }
}

// blockchain-example.js
async function main() {
  try {
    // Get ETH balance for an address using ENS
    console.log("Getting ETH balance for vitalik.eth...");

    // When using with Cursor, you can simply ask Cursor to:
    // "Check the ETH balance of vitalik.eth on mainnet"
    // Or "Transfer 0.1 ETH from my wallet to vitalik.eth"

    // Cursor will use the MCP server to execute these operations
    // without requiring any additional code from you

    // This is the power of the MCP integration - your AI assistant
    // can directly interact with blockchain data and operations
  } catch (error) {
    console.error("Error:", error.message);
  }
}

main();

# Add the MCP server
claude mcp add evm-mcp-server npx @mcpdotdirect/evm-mcp-server

# Start Claude with the MCP server enabled
claude

// Example of using the MCP client to check a token balance using ENS
const mcp = new McpClient("http://localhost:3000");

const result = await mcp.invokeTool("get-token-balance", {
  tokenAddress: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // USDC on Ethereum
  ownerAddress: "vitalik.eth", // ENS name instead of address
  network: "ethereum",
});

console.log(result);
// {
//   tokenAddress: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
//   owner: "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
//   network: "ethereum",
//   raw: "1000000000",
//   formatted: "1000",
//   symbol: "USDC",
//   decimals: 6
// }

// Example of using the MCP client to resolve an ENS name to an address
const mcp = new McpClient("http://localhost:3000");

const result = await mcp.invokeTool("resolve-ens", {
  ensName: "vitalik.eth",
  network: "ethereum",
});

console.log(result);
// {
//   ensName: "vitalik.eth",
//   normalizedName: "vitalik.eth",
//   resolvedAddress: "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
//   network: "ethereum"
// }

// Example of using multicall to batch multiple contract reads in a single RPC call
const mcp = new McpClient("http://localhost:3000");

const result = await mcp.invokeTool("multicall", {
  network: "ethereum",
  calls: [
    {
      contractAddress: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // USDC
      functionName: "balanceOf",
      args: ["0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"],
    },
    {
      contractAddress: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // USDC
      functionName: "symbol",
    },
    {
      contractAddress: "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48", // USDC
      functionName: "decimals",
    },
  ],
});

console.log(result);
// {
//   network: "ethereum",
//   totalCalls: 3,
//   successfulCalls: 3,
//   failedCalls: 0,
//   results: [
//     { contractAddress: "0xA0b...", functionName: "balanceOf", result: "1000000000", status: "success" },
//     { contractAddress: "0xA0b...", functionName: "symbol", result: "USDC", status: "success" },
//     { contractAddress: "0xA0b...", functionName: "decimals", result: "6", status: "success" }
//   ]
// }

mcp-evm-server/
├── src/
│   ├── index.ts                # Main stdio server entry point
│   ├── server/                 # Server-related files
│   │   ├── http-server.ts      # HTTP server with SSE
│   │   └── server.ts           # General server setup
│   ├── core/
│   │   ├── chains.ts           # Chain definitions and utilities
│   │   ├── resources.ts        # MCP resources implementation
│   │   ├── tools.ts            # MCP tools implementation
│   │   ├── prompts.ts          # MCP prompts implementation
│   │   └── services/           # Core blockchain services
│   │       ├── index.ts        # Operation exports
│   │       ├── balance.ts      # Balance services
│   │       ├── transfer.ts     # Token transfer services
│   │       ├── utils.ts        # Utility functions
│   │       ├── tokens.ts       # Token metadata services
│   │       ├── contracts.ts    # Contract interactions
│   │       ├── transactions.ts # Transaction services
│   │       └── blocks.ts       # Block services
│   │       └── clients.ts      # RPC client utilities
├── package.json
├── tsconfig.json
└── README.md