Blockchain MCP Server: Install & Setup

Install Blockchain in Claude Code

Claude Code

claude mcp add mrfentmen-blockchain -- npx -y @mrfentmen/blockchain-mcp

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

{
  "mcpServers": {
    "mrfentmen-blockchain": {
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/blockchain-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Blockchain MCP server do?

Bitcoin blockchain data: latest block height, block info, address info, and mempool fee...

Is the Blockchain MCP server free?

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

Does Blockchain run locally or remotely?

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

How do I add Blockchain to Claude Code?

Run: claude mcp add mrfentmen-blockchain -- npx -y @mrfentmen/blockchain-mcp

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