"Free Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
DC Hub is the orchestration layer for data center and energy intelligence: start with execute_plan for electricity prices and power grid questions. One question about data center siting, energy markets, electricity prices or the power grid returns one dated, cited answer. It also publishes the Data Center Power Index (DCPI), a daily score of where data centers can get grid power across 300+ markets. 96 MCP tools at https://dchub.cloud/mcp. DCHUB_API_KEY is optional.
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.
Real-time global intelligence on conflict, markets, energy, trade, shipping and cyber. 97 tools.
EnergyPlus weather files (EPW, DDY, STAT) and design conditions for any site, OpenStudio-MCP ready.
111 pay-per-call agent tools: logistics, shipping, trade and energy data tools. x402
French energy data, electricity and gas consumption, tariff scenarios and public discovery tools.
UK solar PV and heat pump calculators, with guides, on one server. Follows the MCS methods. No key.
Check a business electricity bill against the utility's published rates and find a cheaper plan.
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.
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.
Australian NEM battery (BESS) data for AI agents: revenue, dispatch, FCAS, events. Free, no auth.
Real-time electricity price signals for AI agents. Spot prices, cheapest hours, and contract recommendations. 31 countries across Europe and Oceania. No authentication required.
US ISO interconnection queues and cited energy data. 25 free queries, then $49/mo or $490/yr.
Start with analyze_ev_site(address) for a free, source-backed EV charging opportunity screen.
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.
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.
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.
Free: ranks Texas electricity plans by yearly cost at your kWh. Paid by subscribers, not providers.
Carbon-accounted agent compute: free footprints; certificates backed by real offset retirement.
Free AREI cable sizing, Synergrid C10/26 inverter check, LED strip calculator. No account.
Direct-sun hours per year for any address or point in Norway, against terrain, trees and buildings.
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.
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.
Remote MCP server (Streamable HTTP) with 37 deterministic engineering calculators for DACH: electrical, PV, HVAC, building. No API key.
Educational model-memory, facility-energy and completed-token cost calculations.
Free, read-only guides on electrical safety, EICRs, landlord duties and EV chargers in London. Search, read and newest guides, plus booking links. No account, no key. Official MCP Registry: uk.energynorth/journal.
Solar, weatherization, EV charging, battery and heat-pump decision tools for AI agents.
Official Pakistan fuel, gas and electricity prices plus Lahore daily produce rates. Free, no sign-in
EV/PHEV charging and useful stops: free discovery, bounded data tools on prepaid credit.
UK energy performance certificates (EPC) by postcode and address. Free sample; £0.49 pack.
AI agents compare and sign up for Texas utility plans (electricity, internet, gas, water, trash) at any ZIP code via MCP. No auth. (more US states coming)
Heat Network Check: the site's own MCP server — checker, enquiry (enquiry = a human handoff, not...
EV chargers near a point and charging networks in AU, NZ, US, UK and Canada. Free, no key.
Free independent solar proposal review tool for California homeowners. Audit your solar quote for pr
Rooftop solar potential, RGE installer search and quote requests. France only, no API key.
Entogo (Canada) transformers, switchgear, BESS, EV charging: catalogue, lead times, EV sizing, RFQ
