"SearXNG - Open Source Metasearch Engine" matching MCP connectors:

Real-time planetary signal engine and Model Context Protocol (MCP) server for autonomous AI agents.

ECAC PER: DCOMP, official-source lookup. Platform-hosted, pay per query with prepaid credit.

NASA MCP — wraps NASA Open APIs (api.nasa.gov)

Open Notify MCP — ISS position + people in space