Blockchair MCP Server: Install & Setup

Install Blockchair in Claude Code

Remote URL

Claude Code

claude mcp add --transport http pipeworx-io-blockchair https://gateway.pipeworx.io/blockchair/mcp

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

{
  "mcpServers": {
    "pipeworx-io-blockchair": {
      "url": "https://gateway.pipeworx.io/blockchair/mcp"
    }
  }
}

npm

Claude Code

claude mcp add pipeworx-io-blockchair -- npx -y @pipeworx/mcp-blockchair

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

{
  "mcpServers": {
    "pipeworx-io-blockchair": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-blockchair"
      ]
    }
  }
}

Frequently asked questions

What does the Blockchair MCP server do?

Blockchair MCP — multi-chain block explorer (free tier, keyless).

Is the Blockchair 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 Blockchair run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Blockchair to Claude Code?

Run: claude mcp add --transport http pipeworx-io-blockchair https://gateway.pipeworx.io/blockchair/mcp

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