Etherscan MCP Server: Install & Setup

Install Etherscan in Claude Code

Claude Code

claude mcp add etherscan -- npx -y etherscan-mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "etherscan": {
      "command": "npx",
      "args": [
        "-y",
        "etherscan-mcp-server"
      ]
    }
  }
}

MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add etherscan -- npx -y etherscan-mcp-server

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