UK Carbon Intensity

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UK electricity grid carbon intensity and generation mix data via National Grid ESO.

by pipeworx-io

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About

UK electricity grid carbon intensity and generation mix data via National Grid ESO.

README

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

Part of Pipeworx — an MCP gateway connecting AI agents to 1394+ live data sources.

Tools

Tool	Description
`get_intensity`	Check current UK electricity carbon intensity. Returns gCO2/kWh (forecast and actual) plus intensity level (very low to very high). Use to schedule energy-intensive tasks during low-carbon periods.
`get_intensity_by_date`	Get UK electricity carbon intensity for every 30-minute period on a specific date (e.g., "2024-01-15"). Returns gCO2/kWh forecast and actual. Use to identify lowest-carbon hours.
`get_generation_mix`	Check current UK electricity grid composition by source percentage (gas, coal, wind, solar, nuclear, hydro, biomass, imports). Use to understand real-time grid energy mix.
`get_regional_intensity`	Carbon intensity (forecast gCO2/kWh + index band) and generation mix for a specific Great Britain region. Pass "postcode" (UK outcode — first half of a postcode, e.g. "RG10") or "regionid" (1–17, e.g. 13 = London). Omit both for all regions at the current half-hour. Regional figures are forecast-only.
`get_intensity_factors`	Carbon intensity factors (gCO2/kWh) per fuel type used in the headline figures — e.g. Coal 937, Gas (Combined Cycle) 394, Nuclear 0, Wind 0, Solar 0.

Quick Start

Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):

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

Or connect to the full Pipeworx gateway for access to all 1394+ data sources:

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

Using with ask_pipeworx

Instead of calling tools directly, you can ask questions in plain English:

ask_pipeworx({ question: "your question about Carbon data" })

The gateway picks the right tool and fills the arguments automatically.

License

MIT

from github.com/pipeworx-io/mcp-carbon

Install UK Carbon Intensity in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE

unyly install uk-carbon-intensity

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add uk-carbon-intensity -- npx -y @pipeworx/mcp-carbon

Step-by-step: how to install UK Carbon Intensity

Install UK Carbon Intensity in Claude Desktop Install UK Carbon Intensity in Claude Code Install UK Carbon Intensity in Cursor Install UK Carbon Intensity in VS Code

FAQ

Is UK Carbon Intensity MCP free?

Yes, UK Carbon Intensity MCP is free — one-click install via Unyly at no cost.

Does UK Carbon Intensity need an API key?

No, UK Carbon Intensity runs without API keys or environment variables.

Is UK Carbon Intensity hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install UK Carbon Intensity in Claude Desktop, Claude Code or Cursor?

Open UK Carbon Intensity on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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