Official MCP RegistryHosted serverwww.cyclecalcs.comv1.1.0
CycleCalcs Astronomy
Read-only astronomy calculations: sun, moon, planets, eclipses, twilight and star positions.
Connect to Claude Code
Copyclaude mcp add --transport http cyclecalcs-astronomy https://www.cyclecalcs.com/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://www.cyclecalcs.com/mcpstreamable-http
Published in the official MCP registry as “com.cyclecalcs/astronomy”. Verified through the vendor namespace.