Real-time German electricity spot prices, cheapest charging windows, and price statistics. One endpoint, near-zero latency.
{ "mcpServers": { "energy": { "url": "https://energy-mcp.getbrechtai.com/mcp" } } }
Everything your agent needs for energy-aware decisions.
Current and upcoming hourly EPEX Spot electricity prices for Germany.
Tomorrow's day-ahead hourly prices. Published daily at 14:00 CET.
Average, min, max, cheapest and most expensive hours.
Find the optimal time to run an appliance — EV charging, dishwasher, heat pump.
Dynamic vs fixed tariff simulation for a German household.
What X kWh costs at current spot prices, with week-over-week comparison.
Weekly averages, volatility, daily breakdowns, and trend direction.
Spot prices for 25+ European countries — any bidding zone, any date.
Real-time power generation by source — solar, wind, gas, nuclear, coal.
gCO2/kWh for any European country, derived from live generation mix.
Data source: EPEX Spot via aWATTar • Updated hourly at 14:00 CET with next-day prices
Hit the real endpoint — no API key required.
No MCP client needed — just ask a question in plain language.
No custom integration needed. Use HA's built-in command line sensor to pull live data.
Updates every 15 minutes with today's price stats — average, min, max, cheapest/most expensive hours.
command_line:
- sensor:
name: electricity_price_stats
command: >
curl -s -X POST https://energy-mcp.getbrechtai.com/mcp
-H "Content-Type: application/json"
-H "Accept: application/json, text/event-stream"
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"get_price_stats","arguments":{}}}'
| grep "^data:" | sed 's/^data: //'
value_template: >
{{ (value_json.result.content[0].text | from_json).stats.avg_ct_kwh | round(2) }}
json_attributes_path: "$.result.content[0].text"
unit_of_measurement: "ct/kWh"
scan_interval: 900Finds the best 3-hour window for 11 kWh. Returns the start time as state, with cost and price as attributes.
command_line:
- sensor:
name: cheapest_ev_window
command: >
curl -s -X POST https://energy-mcp.getbrechtai.com/mcp
-H "Content-Type: application/json"
-H "Accept: application/json, text/event-stream"
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"find_cheapest_window","arguments":{"duration_hours":3,"consumption_kwh":11}}}'
| grep "^data:" | sed 's/^data: //'
value_template: >
{{ (value_json.result.content[0].text | from_json).start }}
json_attributes_path: "$.result.content[0].text"
scan_interval: 1800Triggers your EV charger when the cheapest window begins. Sends a notification with the cost.
automation:
- alias: "Start EV charging at cheapest window"
trigger:
- platform: template
value_template: >
{{ now().isoformat()[:16] ==
states('sensor.cheapest_ev_window')[:16] }}
action:
- service: switch.turn_on
target:
entity_id: switch.ev_charger
- service: notify.mobile_app
data:
title: "⚡ EV charging started"
message: >
Charging at {{ state_attr('sensor.cheapest_ev_window',
'avg_price_ct_kwh') }} ct/kWh.
Estimated cost: €{{ state_attr('sensor.cheapest_ev_window',
'total_cost_eur') }}Track how clean the grid is right now. Use to prefer green hours for flexible loads.
command_line:
- sensor:
name: grid_carbon_intensity
command: >
curl -s -X POST https://energy-mcp.getbrechtai.com/mcp
-H "Content-Type: application/json"
-H "Accept: application/json, text/event-stream"
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"get_carbon_intensity","arguments":{"country":"DE"}}}'
| grep "^data:" | sed 's/^data: //'
value_template: >
{{ (value_json.result.content[0].text | from_json).carbon_intensity_gco2_kwh | round(0) }}
unit_of_measurement: "gCO₂/kWh"
scan_interval: 1800No HACS install, no custom components, no dependencies. Just YAML → live data.
The free tier gives you 50 requests/day with no key. For production workloads, get an API key for up to 10,000 requests/day.