What is io.github.christerso/celestial-node?

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

How do I install io.github.christerso/celestial-node?

Clone io.github.christerso/celestial-node from https://github.com/christerso/celestialnode-mcp and configure it as an MCP server in your client (Claude Desktop, Cursor, or VS Code).

Is io.github.christerso/celestial-node open source?

Yes, io.github.christerso/celestial-node is open source under the MIT license. Source code is available at https://github.com/christerso/celestialnode-mcp.

What category does io.github.christerso/celestial-node belong to?

io.github.christerso/celestial-node is listed under Developer Tools MCP servers on MCPFind.

io.github.christerso/celestial-node — MCP Server for Developer Tools

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

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

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

Set up in your AI client

AI clientOperating system

Merge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.

json

{
  "mcpServers": {
    "io-github-christerso-celestial-node": {
      "command": "npx",
      "args": [
        "-y",
        "celestialnode-mcp"
      ]
    }
  }
}

Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.

Claude Desktop setup reference

Compatible MCP Clients

io.github.christerso/celestial-node works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.

Claude Desktop~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.

Cursor~/.cursor/mcp.jsonRestart Cursor for changes to take effect.

VS Code.vscode/mcp.jsonReload VS Code window for changes to take effect.

Windsurf~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect.

Claude Code.mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.

io.github.christerso/celestial-node