What is the best alternative to Celestial Node?

The top-rated alternatives to Celestial Node in the Aerospace & Astrodynamics category include RymdenKollen — Swedish Space & Astronomy, Open Ephemeris, Orbit Sentinel MCP. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do Celestial Node alternatives differ in installation and runtime?

Celestial Node and its alternatives vary by runtime requirement (Node.js/npx, Python/uvx, Docker, or remote HTTP/SSE endpoints). Check the specification comparison table above to verify command requirements before installing.

Are alternatives to Celestial Node free and open source?

Most MCP servers listed on AllMCPs are open source tools under MIT or Apache licenses that you can self-host or run locally with Claude Desktop, Cursor, VS Code, or Windsurf.

How do I side-by-side compare Celestial Node with a specific alternative?

Click the "Compare side-by-side →" button on any alternative card to see an in-depth comparison matrix covering feature lists, stars, npm downloads, install configurations, and schema specifications.

Aerospace & Astrodynamics• MCP Alternatives Guide

Best Alternatives to Celestial Node

Looking for an alternative to Celestial Node? Whether you need a different runtime environment, custom authentication support, or alternative API integrations in the Aerospace & Astrodynamics ecosystem, we have cataloged and compared the top alternative MCP servers below.

Browse all Aerospace & Astrodynamics servers →View Celestial Node Specs →

Target Reference Server

Celestial Node Overview

Real-time space data — ISS tracking, rocket launches, space news, Mars weather, and more

Specification Matrix: Celestial Node vs Alternatives

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
C Celestial Node (Target)	npx	Free/None	Free	—	—	Current
R RymdenKollen — Swedish Space & Astronomy	Remote (SSE)	Free/None	Free	—	—	Compare →
Open Ephemeris	npx	Free/None	Free	3	—	Compare →
Orbit Sentinel MCP	npx	API key	Free	1	—	Compare →
IPGeolocation.io MCP Server	npx	Free/None	Free	4	—	Compare →
Astronomy Oracle	npx	No auth required	Free	3	1	Compare →
Ground Motion	Remote (SSE)	Free/None	Free	—	—	Compare →
S Spaceweather MCP	npx	Free/None	Free	—	—	Compare →
C CycleCalcs Astronomy	Remote (SSE)	Free/None	Free	—	—	Compare →
O Orbit	Remote (SSE)	Free/None	Free	—	—	Compare →
S SateAIs	Remote (SSE)	Free/None	Free	—	—	Compare →
O Orbit	Remote (SSE)	Free/None	Free	—	—	Compare →
W Western Astrology MCP Server by RoxyAPI	Remote (SSE)	Free/None	Free	—	—	Compare →