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Web3

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Web3 MCP server for EVM chains

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About

Web3 MCP server for EVM chains

README

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A Model Context Protocol (MCP) server implementation for Web3 interactions on EVM chains. This server enables seamless interaction with blockchain networks through the Model Context Protocol.

🚀 Features

  • 📊 Fetch token balances across multiple chains
  • 📝 Call smart contract functions
  • 💰 Native and ERC-20 token transfer
  • 🔗 Support for multiple EVM-compatible chains

🔧 Configuration

Claude Desktop Integration

Installing via Smithery

To install Web3 MCP Server for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install web3-mcp-server --client claude

Using NPX

Add the following configuration to your Claude Desktop settings:

{
  "mcpServers": {
    "web3": {
      "command": "npx",
      "args": ["-y", "web3-mcp-server"],
      "env": {
        "PRIVATE_KEY": "0xYour-wallet-private-key (optional)"
      }
    }
  }
}

Using Docker

For Docker-based deployment, use this configuration:

{
  "mcpServers": {
    "web3": {
      "command": "docker",
      "args": ["run", "-i", "--rm", "emanueljr/web3-mcp-server"],
      "env": {
        "PRIVATE_KEY": "0xYour-wallet-private-key (optional)"
      }
    }
  }
}

📝 License

This project is licensed under the MIT License - see the LICENSE file for details.

👥 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

from github.com/EmanuelJr/web3-mcp-server

Installing Web3

This server has no published package — it is built from source. Open the repository and follow its README.

▸ github.com/EmanuelJr/web3-mcp-server

FAQ

Is Web3 MCP free?

Yes, Web3 MCP is free — one-click install via Unyly at no cost.

Does Web3 need an API key?

No, Web3 runs without API keys or environment variables.

Is Web3 hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Web3 in Claude Desktop, Claude Code or Cursor?

Open Web3 on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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