"Using Claude to Check the Current Weather Without an API Key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Live US retail electricity plans, utility price-to-compare rates, ZIP-to-utility lookup. Read-only.
Electrical single-line and multi-line diagrams: build, check (NF C 15-100, IEC 60364), draw, PDF.
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.
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.
Solar power estimates from the electricity bill, and the service area check, for São Paulo, Brazil.
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.
Solve a DC/DC power tree: per-stage current, efficiency, dissipation, thermals, tolerance corners.
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.
Search VettedHome's UK guides to property problems and home energy decisions. Read-only.
Search open jobs in grid, nuclear, renewables, storage and data centers. Read-only, no login.
Dated European data-centre markets, grid connection restrictions, country rules and the live grid.
Browse and query the EIA API v2 — electricity, petroleum, natural gas, coal, forecasts via MCP.
Prepare a German Energieausweis (energy certificate); an Energieberater checks and signs it.
Solar installer for Munich and Rosenheim: 3D solar roof check, local subsidies, EEG feed-in, guide.
Heat-pump readiness check for German single-family houses: traffic light, reasons, next step
Live Irish heating oil, green diesel and road diesel prices by county, plus local oil suppliers.
FERC Electric Quarterly Reports (EQR) — wholesale power sales: who sells to whom, under what…
Solar and home energy discovery: estimates, incentive sources, guides and contractor options.
Read-only tools over the GoBeyondClouds venture network (GBC SRL, Brussels): live network statistics, the venture registry (14 ventures: agent-to-agent economy, space economy, industrial energy data), SkillAssay skill-ranking lookup, SolarAnalytics solar pre-feasibility (API key) and say_hello. No auth; every number carries refreshed_at and a source URL.
