"Exploring Gemini Services or Tools That Don’t Require an API Key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
US parcel records plus utilities, power, grid, environmental and logistics data by address or point.
DC Hub is the live data layer for data-center siting that agents can query and cite. Its Data Center Power Index (DCPI) scores where data centers can get grid power across 300+ markets daily. Also 330,000+ mapped power, grid, gas and fiber assets. 94 MCP tools at https://dchub.cloud/mcp plus a REST API at https://dchub.cloud/api/v1. Free tier needs no key; paid plans: dchub.cloud/pricing.
Real-time global intelligence on conflict, markets, energy, trade, shipping and cyber. 102 tools.
111 pay-per-call agent tools: logistics, shipping, trade and energy data tools. x402
Forecasts, official weather alerts, air quality, 20 years of history, and PV and wind production, via the Meteosource API. Hosted, with your own API key.
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.
Check a business electricity bill against the utility's published rates and find a cheaper plan.
UK solar PV and heat pump calculators, with guides, on one server. Follows the MCS methods. No key.
UK solar PV and heat pump calculators that follow the published MCS methods. Open, no key.
Estimates the water and energy footprint of AI use – chat prompts, agent sessions from token counts, and everyday comparisons – from a published, versioned methodology with sources. Pure arithmetic, no API key; every result states its boundary and assumptions.
Polish energy performance certificates: pricing, requirements, order, documents, payment link
Find the cheapest EV charging stations in France, Benelux, and Denmark based on your specific car and charging cards.
US ISO interconnection queues and cited energy data. 25 free queries, then $49/mo or $490/yr.
Free calculators with sources: electricity bills (KR/TW/PH/JP), Korea taxi fares, tax refunds.
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.
Sourced carbon emission factors + audit-traced calculations an AI can cite.
Real-time electricity prices, carbon intensity, and energy analytics for 41+ zones across Europe, GB, US, and Australia. Query live prices, compare zones, check gas storage, get green scores, and access advanced analytics via MCP.
Operate a network of EV charge points over OCPP: status, sessions, tariffs, prices, remote commands
Real-time electricity prices for AI agents. 40+ countries, 100+ zones. No auth required.
Browse and query the EIA API v2 — electricity, petroleum, natural gas, coal, forecasts via MCP.
OCPI versions, checks and payload validation, plus your own test runs and run starts with a key.
Spanish grid access capacity (CNMC maps): nearby substations with capacity for demand or generation.
Check NUS and SUTD hostel EVS electricity meters and get top-up links. Unofficial.
Search open jobs in grid, nuclear, renewables, storage and data centers. Read-only, no login.
CO₂ estimates for general-aviation flying: by aircraft and hours, by fleet, or by fuel.
Prepare a German Energieausweis (energy certificate); an Energieberater checks and signs it.
Generates EnergyPlus weather files (EPW, DDY, STAT) for any coordinates: actual years from 1990, typical years and future climate to 2100, plus ASHRAE design conditions and nearest weather stations.
EnergyPlus weather files (EPW, DDY, STAT) and design conditions for any site, OpenStudio-MCP ready.
Live Irish heating oil, green diesel and road diesel prices by county, plus local oil suppliers.
Solar and home energy discovery: estimates, incentive sources, guides and contractor options.
