"Servers that support Server-Sent Events (SSE)" matching MCP connectors:

DC HubA

cloud.dchub

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.

Ampworth calculatorsA

com.ampworth

UK solar PV and heat pump calculators that follow the published MCS methods. Open, no key.

nempulseA

au.com.nempulse

Australian NEM battery (BESS) data for AI agents: revenue, dispatch, FCAS, events. Free, no auth.

EPW/DDY weather files - TMY/AMY/CMIP6 morphing, UHI, events, smoke. 3 of 4 tools anon-free.