What is the best alternative to Sky Watch MCP?

The top-rated alternatives to Sky Watch MCP in the Aerospace & Astrodynamics category include Open Ephemeris, Starfetch, Orbit. These servers offer complementary or alternative capabilities depending on your deployment stack and authentication requirements.

How do Sky Watch MCP alternatives differ in installation and runtime?

Sky Watch MCP 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 Sky Watch MCP 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 Sky Watch MCP 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.

Best Alternatives to Sky Watch MCP (Aerospace & Astrodynamics)

Server Name	Runtime	Auth	Pricing	GitHub Stars	Downloads	Action
S Sky Watch MCP (Target)	Remote (SSE)	Free/None	Free	—	—	Current
Open Ephemeris	npx	Free/None	Free	3	—	Compare →
S Starfetch	npx	Free/None	Free	—	—	Compare →
Orbit	npx	Free/None	Free	10	—	Compare →
Sidereon	Remote (SSE)	Free/None	Free	16	—	Compare →
C CycleCalcs Astronomy	Remote (SSE)	Free/None	Free	—	—	Compare →
H Horizons Nasa	Remote (SSE)	Free/None	Free	—	—	Compare →
N Nasa Power	Remote (SSE)	Free/None	Free	—	—	Compare →
Exoplanet Archive	Remote (SSE)	Free/None	Free	—	—	Compare →
N Nasa Eonet	Remote (SSE)	Free/None	Free	—	—	Compare →
Orbit Sentinel MCP	npx	API key	Free	1	—	Compare →
MCP Ephemeris	npx	Free/None	Free	—	—	Compare →
Celestrak	Remote (SSE)	Free/None	Free	—	—	Compare →