Dutch energy market, open data computed nightly: cheapest contracts, market levels, offer lifecycle
Connect Remote server
claude mcp add --transport http open-data https://switchje.nl/mcp
{
"mcpServers": {
"open-data": {
"url": "https://switchje.nl/mcp"
}
}
}
{
"servers": {
"open-data": {
"type": "http",
"url": "https://switchje.nl/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://switchje.nl/mcp
Tools 5 found in our last check
cheapest_todayThe five cheapest energy offers in the Netherlands for a standard household profile on the most recent day with data, with a coarse cost split (supply, taxes and levies, network, feed-in, one-off) and the time each price was fetched. profile: one of methodology()'s standard prof…
cheapest_historyThe five cheapest offers per day for a standard profile over a date range (ISO dates, inclusive; both optional). A missing day had no valid run.
market_summaryMarket aggregates for one day (ISO date; default the most recent) and profile: offers priced per contract type, median yearly cost, spread between cheapest and priciest, offers with cashback, offers added and withdrawn that day.
offer_lifecycleWhen each offer was first seen on sale and when it was withdrawn (empty = still on sale), across every supplier we track; optionally filtered by supplier code (e.g. 'eneco').
methodologyHow Switchje ranks offers, the standard profiles spelled out, the licence and how to attribute.
Details
| Endpoint | https://switchje.nl/mcp (Streamable HTTP) |
| First published | 15 Oct 2026 |
| Last updated | 15 Oct 2026 |
| Registry name | nl.switchje/open-data |
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