Carbon MCP Server: Install & Setup

Install Carbon in Claude Code

Remote URL

Claude Code

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

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

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

npm

Claude Code

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

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

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

Frequently asked questions

What does the Carbon MCP server do?

Carbon MCP — UK Carbon Intensity API (free, no auth)

Is the Carbon 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 Carbon run locally or remotely?

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

How do I add Carbon to Claude Code?

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

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