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Astronomy: sun, moon, planet, eclipse, twilight and star position calculations.
npx @getmcp/cli add com.cyclecalcs/astronomyRequires Node.js 18+. Community-contributed server. Review source before installing.
AuthorizationBearer YOUR_KEY, where YOUR_KEY is a CycleCalcs API key from RapidAPI (the Basic plan is free): https://rapidapi.com/info-8KZIhinZ9/api/cyclecalcs-astronomy-api3
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"com.cyclecalcs/astronomy": {
"url": "https://www.cyclecalcs.com/mcp",
"transport": "streamable-http",
"headers": {
"Authorization": ""
}
}
}
}