9,505 servers. Last updated 2026-07-22 04:39

"Free APIs and services without commercial fees" matching MCP connectors:

SpaceTime Server A
MCP for SpaceTime Server APIs
Aerospace & Astrodynamics Research & Data
52
Deepsky Aviation Regulations A
Free no-key search over CASA, FAA, EASA & ICAO aviation regulations. By Deepsky (deepskyai.com).
Aerospace & Astrodynamics Search Open Data
11
Nasa A
NASA MCP — wraps NASA Open APIs (api.nasa.gov)
Government Data Open Data Aerospace & Astrodynamics
361
tle A
TLE MCP — satellite tracking via Two-Line Element sets (tle.ivanstanojevic.me, free, no auth)
Aerospace & Astrodynamics Location Services Search
341
launches A
Launches MCP — wraps Launch Library 2 API (ll.thespacedevs.com, free, no auth)
Aerospace & Astrodynamics Open Data Search
351
spacenews A
Spacenews MCP — wraps the Spaceflight News API v4 (free, no auth)
Search Open Data Aerospace & Astrodynamics
341
spacex A
SpaceX MCP — wraps SpaceX API v4 (free, no auth)
Aerospace & Astrodynamics Open Data Government Data
371
NASA Data A
NASA data: near-Earth objects, space weather, and astronomy pictures
Aerospace & Astrodynamics Open Data
1
AgentNASA — NASA Space Intelligence A
NASA space data — Near Earth Objects (asteroid tracking & hazard assessment), Space Weather (solar flares, CMEs, geomagnetic storms via DONKI), and Astronomy Picture of the Day.
Aerospace & Astrodynamics Research & Data Open Data
1