Etherscan API MCP Server: Install & Setup

Install Etherscan API in Claude Code

Claude Code

claude mcp add --transport http etherscan-api https://etherscan-api.mcp.junct.dev/mcp

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

{
  "mcpServers": {
    "etherscan-api": {
      "url": "https://etherscan-api.mcp.junct.dev/mcp"
    }
  }
}

Frequently asked questions

What does the Etherscan API MCP server do?

Etherscan Api - 71 tools for data, metrics, and on-chain analytics

Is the Etherscan API MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Etherscan API run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add Etherscan API to Claude Code?

Run: claude mcp add --transport http etherscan-api https://etherscan-api.mcp.junct.dev/mcp

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