Renewably
by FastDrop
Cheapest and greenest times to use electricity in Great Britain, and which tariff suits a home.
Cheapest and greenest times to use electricity in Great Britain, and which tariff suits a home. Official MCP Registry: uk.renewably/gb-electricity-prices-and-tariffs@1.12.1. Remote endpoint: https://renewably.uk/mcp?via=registry
Problem it solves
Discoverable MCP server listed in the official MCP Registry.
How it's different
Remote MCP endpoint ingested from the official registry and probed by FastDrop.
Ingested from the official MCP Registry
FastDrop pulled this entry from the official MCP Registry as uk.renewably/gb-electricity-prices-and-tariffs and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed
and the description is not theirs.
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Read directly from the endpoint on 3 Nov 2026. Not supplied by the maker.
list_regionsThe 14 Agile regions (GSP groups), each with well-known places in it - to place a home by its town. The regions are the local electricity networks' areas, not counties, so some places surprise (Milton
list_tariffsThe time-of-use and standard tariffs from Octopus, EDF and E.ON Next that the `tariff` parameter accepts – or, with `direction=export`, their export tariffs (for get_prices and `export`), each saying
get_pricesHalf-hourly prices for a region from midnight today. On Agile (the default) and Agile Outgoing, each is published by Octopus or estimated by Renewably (flagged `estimate`); other tariffs show only the
find_cheapest_windowThe cheapest (or lowest-carbon) run of `duration_hours` starting from the next half hour and finishing by the next `finish_by` – when to set a washing machine or dishwasher's delay timer.
plan_ev_chargingThe cheapest or greenest half hours to charge an electric car by a ready-by time up to four days ahead.
get_heat_pump_timesFor a typical weekday and weekend day at this time of year (on a fixed-window or flat tariff, today's rates): the cheapest time to reheat hot water (and the cheapest ready by 07:00), and the cost of e
get_home_battery_timesFor a typical weekday and weekend day at this time of year (on a fixed-window or flat tariff, today's rates): the cheapest charge slot to fill a home battery before the 16:00 peak, an optional afterno
plan_home_batteryA home battery's plan from the half hour under way to the end of tomorrow, on the tariff's real prices (Agile's, and Agile Outgoing's, estimated beyond what Octopus has published), half hour by half h
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