Celestial Node MCP
An MCP server for real-time space data from Celestial Node.
Gives AI assistants access to 18 read-only tools covering ISS/Tiangong tracking, crew in space, rocket launches, space news, Mars missions, a 1M+ star catalog, near-Earth asteroids, satellites, and more.
About Celestial Node
Celestial Node is a comprehensive space data platform that aggregates real-time information from space agencies worldwide. It offers:
- Space Station Tracking - Real-time positions of the ISS and Tiangong space station
- Crew Information - Current astronauts, cosmonauts, and taikonauts in orbit
- Rocket Launches - Upcoming launches from providers worldwide
- Space News - Curated news from NASA, ESA, CNSA, JAXA, Roscosmos, and ISRO
- Mars Missions - All 18 Mars missions with instruments and discoveries
- Mars Weather - Surface conditions including temperature, pressure, and wind
- Star Catalog - 1M+ stars from the ESA Gaia mission
- Near-Earth Objects - Asteroid tracking and close approaches
- Satellites - Search and track satellites with re-entry predictions
- Space Encyclopedia - Comprehensive database of spacecraft, missions, and engines
Quick Start
Without API Key
Anonymous usage is limited to 25 requests per hour.
Claude Desktop
Add to ~/.config/claude/claude_desktop_config.json:
{
"mcpServers": {
"celestial-node": {
"command": "npx",
"args": ["-y", "celestialnode-mcp"]
}
}
}
Claude Code
claude mcp add celestial-node -- npx -y celestialnode-mcp
With API Key
Register at celestialnode.com/register for higher rate limits.
Claude Desktop
{
"mcpServers": {
"celestial-node": {
"command": "npx",
"args": ["-y", "celestialnode-mcp"],
"env": {
"CELESTIAL_NODE_API_KEY": "your-api-key-here"
}
}
}
}
Claude Code
claude mcp add celestial-node --env CELESTIAL_NODE_API_KEY=your-api-key-here -- npx -y celestialnode-mcp
Rate Limits
| Tier | Limit | Authentication |
|---|---|---|
| Anonymous | 25 requests/hour | None |
| Registered (free) | 100 requests/day | API key |
| Paid | 500 requests/day | API key |
Register for a free API key at celestialnode.com/register.
Tools
| Tool | Description |
|---|---|
get_iss_position | Real-time ISS position (lat, lon, altitude, velocity) |
get_tiangong_position | Real-time Tiangong station position |
get_crew_in_space | Astronauts/cosmonauts/taikonauts currently in orbit |
get_upcoming_launches | Upcoming rocket launches worldwide |
get_space_news | Curated space news from NASA, ESA, CNSA, JAXA, Roscosmos, ISRO |
get_mars_missions | All 18 Mars missions with instruments and discoveries |
get_mars_rovers | Mars rovers with instruments, discoveries, and status |
get_mars_weather | Mars surface weather (temperature, pressure, wind) |
search_stars | Search 1M+ stars from ESA Gaia catalog |
get_star_details | Full astronomical data for a star by Gaia source ID |
get_constellations | All 88 IAU constellations |
get_near_earth_objects | Upcoming asteroid close approaches |
get_hazardous_asteroids | Potentially hazardous asteroids with orbital data |
get_space_agencies | Space agencies worldwide |
search_encyclopedia | Search space encyclopedia (spacecraft, missions, engines) |
get_satellite_categories | Satellite categories with counts |
search_satellites | Search tracked satellites by name |
get_upcoming_reentries | Predicted satellite/rocket stage re-entries |
Data Sources
All data is served from celestialnode.com which aggregates from NASA, ESA, CNSA, JAXA, Roscosmos, ISRO, SpaceX, and other global space agencies. Data is updated in real-time by background workers.
Security
All 18 tools are read-only GET requests. No write operations, no user data access.
License
MIT