Nightbase — Where every night has a mission
Everything you need to know about astronomy and the night sky. Enjoy easy planning and recording of your observations. 22,000 deep sky objects, 20 million stars.
https://nightbase.app/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
Connect straight to this server’s public endpoint.
https://nightbase.app/mcpWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 18, 2026 · nightbase.app
9tools discovered
Get
List
Other capabilities
Get Moon
get_moonGet the Moon's phase and position for a UTC time and observer location. Returns illuminated fraction, phase name, waxing/waning, RA/Dec, distance, libration, magnitude, and — when lat/lon are supplied — the local altitude and azimuth.
Add to workspaceGet your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsEverything you need to know about astronomy and the night sky. Enjoy easy planning and recording of your observations. 22,000 deep sky objects, 20 million stars.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
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MCPBundles probed 9 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
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4 tools