CelesTrak MCP
Fetch satellite TLE orbital elements and catalog data from the public CelesTrak API. No key required.
This file is self contained. It reads public data only and never writes to the machine. All output is bounded and honest about what could not be fetched.
Tools
group Satellites in a group.
satellite One satellite by number.
Usage
npm install
npm run build
node dist/index.js
Data comes from the public CelesTrak API. TLE lines are standard two line elements used across the space industry.
Premium tools
These tools need a license key:
satellite_catalogue
orbit_summary
Buy a key at https://mcp-marketplace.io/server/io-github-mrfentmen-celestrak-mcp and set it in your MCP client config:
"env": { "MCP_LICENSE_KEY": "mcp_live_..." }
The key is checked against MCP Marketplace, cached for 24 hours, and keeps
working offline once one check has succeeded. Every other tool on this server
stays free.