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Web3 MCP Server

@EmanuelJr

Basic information

Category

Other

Transports

stdio

Author

EmanuelJr

About Web3 MCP Server

Web3 MCP server for EVM chains

Web3 MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "web3-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@smithery/cli",
        "install",
        "web3-mcp-server",
        "--client",
        "claude"
      ]
    }
  }
}

Web3 MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

Fetch the live tool list by running this server in a temporary sandbox using the button above.

Overview

What is Web3 MCP Server?

A Model Context Protocol (MCP) server implementation for Web3 interactions on EVM-compatible chains. It enables AI assistants to interact seamlessly with blockchain networks, fetching token balances, calling smart contract functions, and transferring native or ERC-20 tokens.

How to use Web3 MCP Server?

Install via Smithery (npx -y @smithery/cli install web3-mcp-server --client claude), or configure Claude Desktop with npx or Docker using the provided JSON settings. An optional PRIVATE_KEY environment variable can be set for signing transactions.

Key features of Web3 MCP Server

  • Fetch token balances across multiple EVM chains
  • Call smart contract read and write functions
  • Transfer native and ERC-20 tokens
  • Support for multiple EVM-compatible blockchains

Use cases of Web3 MCP Server

  • Check wallet token balances on Ethereum, BSC, or Polygon
  • Execute smart contract functions via natural language prompts
  • Automate token transfers through AI assistants
  • Interact with DeFi protocols programmatically

Frequently asked questions

1

What EVM chains are supported?

The server supports multiple EVM-compatible chains, but specific chain names are not listed in the provided documentation.

2

Is a private key required to use the server?

No, the `PRIVATE_KEY` environment variable is optional. It is needed only when signing transactions (e.g., for token transfers or smart contract writes).

3

How do I install Web3 MCP Server for Claude Desktop?

You can install it automatically via Smithery with `npx -y @smithery/cli install web3-mcp-server --client claude`, or manually add the npx or Docker configuration to your Claude Desktop settings.

4

Can I run Web3 MCP Server with Docker?

Yes, use the Docker image `emanueljr/web3-mcp-server`. The README provides a complete configuration example for Docker-based deployment.

5

What license is the project under?

The project is licensed under the MIT License.

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