BrandCyclecalcs
2 integrations on Official MCP Registry, Smithery. Joined by verified domain evidence, never by name.
cyclecalcs.com
- Official MCP Registry
CycleCalcs Astronomy
com.cyclecalcs
Read-only astronomy calculations: sun, moon, planets, eclipses, twilight and star positions.
astro_dark_windowastro_eclipsesastro_find_place+8Official MCP Registry 
SmitheryCycleCalcs Astronomy
cyclecalcs
Astronomy calculations for any place and date: sun and moon rise/set times, planet positions and visibility, Mercury and Venus apparition events, solar and lunar eclipses, lunar phases, dark-sky observing windows, and place lookup. Eleven tools over a 29-endpoint REST API, covering 1700-2200. Streamable HTTP, no install. Tool calls need a CycleCalcs API key from RapidAPI (the Basic plan is free); browsing the tool list needs nothing. Astronomy, not astrology.
Smithery
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