European day-ahead electricity prices (43 zones), accuracy-published forecasts, carbon, optimize.

🛠️ Key Features

43 European day-ahead price zones
Accuracy-published forecast data
Carbon metrics integration
Optimization capabilities

🚀 Use Cases

Price trend analysis for European energy markets
Carbon-aware energy procurement planning
Zone-based optimization of electricity purchases
Benchmarking forecast accuracy against real outcomes

⚡ Developer Benefits

clear, standardized data model for prices and forecasts
ready integration for energy analytics pipelines
supports zone-level granularity and carbon considerations

⚠️ Limitations

description suggests a focus on day-ahead data; real-time data not specified
no explicit API or data format details provided in source
limited source material to cover broader features or deployment details

Voltcast MCP Server — European electricity prices, forecasts & carbon

Model Context Protocol server for Voltcast: day-ahead electricity prices for 43 European bidding zones (15-minute native resolution, history to 2015), probabilistic price forecasts whose accuracy is published daily at voltcast.com/accuracy, carbon intensity, and cheapest-window optimization.

Two ways to run it:

1. Hosted endpoint (recommended)

code

https://voltcast.com/api/mcp

Streamable HTTP transport, protocol 2025-06-18. Server card: /.well-known/mcp.json.

2. Local stdio server (this repo)

bash

VOLTCAST_API_KEY=your_key npx voltcast-mcp

Or with Docker:

bash

docker build -t voltcast-mcp .
docker run -i -e VOLTCAST_API_KEY=your_key voltcast-mcp

The stdio server is a thin proxy onto the same REST API — identical tools, auth and rate limits. It starts and answers introspection without a key; list_zones works keyless too.

json

{
  "mcpServers": {
    "voltcast": {
      "command": "npx",
      "args": ["voltcast-mcp"],
      "env": { "VOLTCAST_API_KEY": "YOUR_API_KEY" }
    }
  }
}

Tools

Tool	Auth	What it does
`list_zones`	none	The 43-zone registry (codes, names, currencies)
`get_prices`	key	Day-ahead prices for a zone/date, 15-minute native
`get_forecast`	key	P50 (and P10/P90 on paid tiers) price curve up to 7 days ahead
`get_carbon`	key	Carbon intensity + green score from the live generation mix
`get_renewables`	key	Wind/solar forecasts (TSO + Voltcast model) vs realized
`cheapest_window`	key	Cheapest contiguous window for a load in the next 48h

Auth

Authorization: Bearer <api key> — free tier (no card) at voltcast.com/register. list_zones works without a key.

Client config

json

{
  "mcpServers": {
    "voltcast": {
      "url": "https://voltcast.com/api/mcp",
      "headers": { "Authorization": "Bearer YOUR_API_KEY" }
    }
  }
}

Honesty, stated plainly

Every forecast the server returns is benchmarked daily against a naive baseline in public — losses included. Zones where the model loses are free to use under the guarantee. Data sources: ENTSO-E Transparency Platform, SMARD.de (CC BY 4.0), attributed in every response.

zone	string	required	Bidding zone code, e.g. 'DE-LU'
from	string	optional	ISO 8601 start (default: yesterday)
to	string	optional	ISO 8601 end (default: tomorrow)
resolution	string	optional

zone	string	required
horizon	string	optional

zone	string	required
from	string	optional
to	string	optional

zone	string	required	Bidding zone code, e.g. 'DE-LU'
from	string	optional	ISO 8601 start
to	string	optional	ISO 8601 end

zone	string	required
duration_minutes	integer	required	Window length in minutes
from	string	optional
to	string	optional
count	integer	optional	How many windows (default 3)

Voltcast

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

list_zones

get_prices

get_forecast

get_carbon

get_renewables

cheapest_window