"F-Droid" matching MCP connectors:

Live UK and Ireland energy tools. Calculate electrical appliance running costs by wattage and hours, view official regional electricity and fuel rates (GB, NI, IOM and ROI), and browse profiled home EV chargers.

Free, no-key calculators with sources: household electricity bills and LED savings for Korea (KEPCO), Taiwan (Taipower), the Philippines (Meralco, updated monthly) and Japan (TEPCO); Seoul/Busan taxi fares, tourist tax refunds and trip budgets for Korea; Korean tax and education math. 19 read-only tools using the same rate tables as kwhmate.com, koreasurvivalkit.com and gyesanmate.com. Results cite date and source; nothing is stored.

Energy impact of LLM quantization, calibrated to measured GPU data. Every answer states its basis.

ENTSO-E Transparency Platform MCP

Oil barrels to liters, number discarded

Tons of refrigeration to kW, number discarded

Survey links to meters, number discarded

Volt-amperes to watts, number discarded